31054241257 has 8 divisors (see below), whose sum is σ = 33452734784. Its totient is φ = 28657134288.

The previous prime is 31054241243. The next prime is 31054241297. The reversal of 31054241257 is 75214245013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31054241257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31054241297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299883 + ... + 389920.

It is an arithmetic number, because the mean of its divisors is an integer number (4181591848).

Almost surely, 2^31054241257 is an apocalyptic number.

It is an amenable number.

31054241257 is a deficient number, since it is larger than the sum of its proper divisors (2398493527).

31054241257 is a wasteful number, since it uses less digits than its factorization.

31054241257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693279.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 31054241257 in words is "thirty-one billion, fifty-four million, two hundred forty-one thousand, two hundred fifty-seven".