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1310230023 = 31632679407
BaseRepresentation
bin100111000011000…
…1000011000000111
310101022102120200220
41032012020120013
510140404330043
6334002435423
744316525414
oct11606103007
93338376626
101310230023
11612655233
12306962b73
1317b5aa44b
14c602510b
157a061483
hex4e188607

1310230023 has 8 divisors (see below), whose sum is σ = 1757691648. Its totient is φ = 868127544.

The previous prime is 1310229979. The next prime is 1310230027. The reversal of 1310230023 is 3200320131.

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

It is not a de Polignac number, because 1310230023 - 212 = 1310225927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310229984 and 1310230011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310230027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1339215 + ... + 1340192.

It is an arithmetic number, because the mean of its divisors is an integer number (219711456).

Almost surely, 21310230023 is an apocalyptic number.

1310230023 is a deficient number, since it is larger than the sum of its proper divisors (447461625).

1310230023 is a wasteful number, since it uses less digits than its factorization.

1310230023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679573.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1310230023 is about 36197.0996490050. The cubic root of 1310230023 is about 1094.2482202435.

Adding to 1310230023 its reverse (3200320131), we get a palindrome (4510550154).

The spelling of 1310230023 in words is "one billion, three hundred ten million, two hundred thirty thousand, twenty-three".

Divisors: 1 3 163 489 2679407 8038221 436743341 1310230023