631130254 has 16 divisors (see below), whose sum is σ = 965435760. Its totient is φ = 309329280.

The previous prime is 631130251. The next prime is 631130263. The reversal of 631130254 is 452031136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631130251) 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, 160342 + ... + 164230.

It is an arithmetic number, because the mean of its divisors is an integer number (60339735).

Almost surely, 2^631130254 is an apocalyptic number.

631130254 is a deficient number, since it is larger than the sum of its proper divisors (334305506).

631130254 is a wasteful number, since it uses less digits than its factorization.

631130254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5475.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 631130254 is about 25122.3059053105. The cubic root of 631130254 is about 857.7742399886.

The spelling of 631130254 in words is "six hundred thirty-one million, one hundred thirty thousand, two hundred fifty-four".