631016265 has 32 divisors (see below), whose sum is σ = 1102574592. Its totient is φ = 305624000.

The previous prime is 631016261. The next prime is 631016273. The reversal of 631016265 is 562610136.

It is not a de Polignac number, because 631016265 - 2² = 631016261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (631016261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248050 + ... + 250580.

It is an arithmetic number, because the mean of its divisors is an integer number (34455456).

Almost surely, 2^631016265 is an apocalyptic number.

It is an amenable number.

631016265 is a deficient number, since it is larger than the sum of its proper divisors (471558327).

631016265 is a wasteful number, since it uses less digits than its factorization.

631016265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 631016265 is about 25120.0371217879. The cubic root of 631016265 is about 857.7225957549.

The spelling of 631016265 in words is "six hundred thirty-one million, sixteen thousand, two hundred sixty-five".