631465051 has 32 divisors (see below), whose sum is σ = 790266240. Its totient is φ = 492189696.

The previous prime is 631465049. The next prime is 631465099. The reversal of 631465051 is 150564136.

631465051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 631465051 - 2¹ = 631465049 is a prime.

It is a super-2 number, since 2×631465051² = 797496221268865202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631465001) 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, 761305 + ... + 762133.

It is an arithmetic number, because the mean of its divisors is an integer number (24695820).

Almost surely, 2^631465051 is an apocalyptic number.

631465051 is a deficient number, since it is larger than the sum of its proper divisors (158801189).

631465051 is a wasteful number, since it uses less digits than its factorization.

631465051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 631465051 is about 25128.9683632257. The cubic root of 631465051 is about 857.9258882815.

The spelling of 631465051 in words is "six hundred thirty-one million, four hundred sixty-five thousand, fifty-one".