31055523401 has 16 divisors (see below), whose sum is σ = 36082773888. Its totient is φ = 26176176000.

The previous prime is 31055523397. The next prime is 31055523403. The reversal of 31055523401 is 10432555013.

It is a cyclic number.

It is not a de Polignac number, because 31055523401 - 2² = 31055523397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31055523403) 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 15 ways as a sum of consecutive naturals, for example, 2625701 + ... + 2637501.

It is an arithmetic number, because the mean of its divisors is an integer number (2255173368).

Almost surely, 2^31055523401 is an apocalyptic number.

It is an amenable number.

31055523401 is a deficient number, since it is larger than the sum of its proper divisors (5027250487).

31055523401 is a wasteful number, since it uses less digits than its factorization.

31055523401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18032.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 31055523401 in words is "thirty-one billion, fifty-five million, five hundred twenty-three thousand, four hundred one".