31154026456 has 64 divisors (see below), whose sum is σ = 67294656000. Its totient is φ = 13244774400.

The previous prime is 31154026441. The next prime is 31154026489. The reversal of 31154026456 is 65462045113.

It is a super-2 number, since 2×31154026456² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7261560 + ... + 7265848.

It is an arithmetic number, because the mean of its divisors is an integer number (1051479000).

Almost surely, 2^31154026456 is an apocalyptic number.

It is an amenable number.

31154026456 is an abundant number, since it is smaller than the sum of its proper divisors (36140629544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31154026456 is a wasteful number, since it uses less digits than its factorization.

31154026456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5312 (or 5308 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 31154026456 in words is "thirty-one billion, one hundred fifty-four million, twenty-six thousand, four hundred fifty-six".