31740772435055 has 32 divisors (see below), whose sum is σ = 38915759323584. Its totient is φ = 24846721422336.

The previous prime is 31740772435049. The next prime is 31740772435069. The reversal of 31740772435055 is 55053427704713.

It is a cyclic number.

It is not a de Polignac number, because 31740772435055 - 2⁶ = 31740772434991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31740772434988 and 31740772435006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64490579 + ... + 64980891.

It is an arithmetic number, because the mean of its divisors is an integer number (1216117478862).

Almost surely, 2^{31740772435055} is an apocalyptic number.

31740772435055 is a deficient number, since it is larger than the sum of its proper divisors (7174986888529).

31740772435055 is a wasteful number, since it uses less digits than its factorization.

31740772435055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491675.

The product of its (nonzero) digits is 12348000, while the sum is 53.

The spelling of 31740772435055 in words is "thirty-one trillion, seven hundred forty billion, seven hundred seventy-two million, four hundred thirty-five thousand, fifty-five".