31301123122133 has 16 divisors (see below), whose sum is σ = 32643789509760. Its totient is φ = 29976685502400.

The previous prime is 31301123122127. The next prime is 31301123122147. The reversal of 31301123122133 is 33122132110313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31301123122133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31301123122153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3420233 + ... + 8619758.

It is an arithmetic number, because the mean of its divisors is an integer number (2040236844360).

Almost surely, 2^{31301123122133} is an apocalyptic number.

It is an amenable number.

31301123122133 is a deficient number, since it is larger than the sum of its proper divisors (1342666387627).

31301123122133 is a wasteful number, since it uses less digits than its factorization.

31301123122133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12040748.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 31301123122133 its reverse (33122132110313), we get a palindrome (64423255232446).

The spelling of 31301123122133 in words is "thirty-one trillion, three hundred one billion, one hundred twenty-three million, one hundred twenty-two thousand, one hundred thirty-three".