34401656531 has 24 divisors (see below), whose sum is σ = 39604995360. Its totient is φ = 29802629120.

The previous prime is 34401656479. The next prime is 34401656543. The reversal of 34401656531 is 13565610443.

It is not a de Polignac number, because 34401656531 - 2¹⁸ = 34401394387 is a prime.

It is a super-2 number, since 2×34401656531² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34401650531) 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 23 ways as a sum of consecutive naturals, for example, 725651 + ... + 771603.

It is an arithmetic number, because the mean of its divisors is an integer number (1650208140).

Almost surely, 2^34401656531 is an apocalyptic number.

34401656531 is a deficient number, since it is larger than the sum of its proper divisors (5203338829).

34401656531 is a wasteful number, since it uses less digits than its factorization.

34401656531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46267 (or 46256 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 34401656531 in words is "thirty-four billion, four hundred one million, six hundred fifty-six thousand, five hundred thirty-one".