31155460463 has 8 divisors (see below), whose sum is σ = 32800193520. Its totient is φ = 29511224640.

The previous prime is 31155460459. The next prime is 31155460487. The reversal of 31155460463 is 36406455113.

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

It is a cyclic number.

It is not a de Polignac number, because 31155460463 - 2² = 31155460459 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31155460403) 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, 7931 + ... + 249747.

It is an arithmetic number, because the mean of its divisors is an integer number (4100024190).

Almost surely, 2^31155460463 is an apocalyptic number.

31155460463 is a deficient number, since it is larger than the sum of its proper divisors (1644733057).

31155460463 is a wasteful number, since it uses less digits than its factorization.

31155460463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248617.

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

The spelling of 31155460463 in words is "thirty-one billion, one hundred fifty-five million, four hundred sixty thousand, four hundred sixty-three".