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1351242244531 = 31371178066473
BaseRepresentation
bin10011101010011100010…
…100000110000110110011
311210011210101200011222201
4103222130110012012303
5134114321003311111
62512430242444031
7166424020366324
oct23523424060663
94704711604881
101351242244531
11481071024a13
12199a68363617
139a56332c9aa
1449586c8444b
152523789c6c1
hex13a9c5061b3

1351242244531 has 8 divisors (see below), whose sum is σ = 1432528832384. Its totient is φ = 1272311789760.

The previous prime is 1351242244501. The next prime is 1351242244571. The reversal of 1351242244531 is 1354422421531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1351242244531 - 219 = 1351241720243 is a prime.

It is a super-2 number, since 2×13512422445312 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351242244501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589032090 + ... + 589034383.

It is an arithmetic number, because the mean of its divisors is an integer number (179066104048).

Almost surely, 21351242244531 is an apocalyptic number.

1351242244531 is a deficient number, since it is larger than the sum of its proper divisors (81286587853).

1351242244531 is a wasteful number, since it uses less digits than its factorization.

1351242244531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178066541.

The product of its digits is 115200, while the sum is 37.

The spelling of 1351242244531 in words is "one trillion, three hundred fifty-one billion, two hundred forty-two million, two hundred forty-four thousand, five hundred thirty-one".

Divisors: 1 31 37 1147 1178066473 36520060663 43588459501 1351242244531