631263250830 has 32 divisors (see below), whose sum is σ = 1525065136128. Its totient is φ = 167222052000.

The previous prime is 631263250789. The next prime is 631263250841. The reversal of 631263250830 is 38052362136.

631263250830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69671326 + ... + 69680385.

It is an arithmetic number, because the mean of its divisors is an integer number (47658285504).

Almost surely, 2^631263250830 is an apocalyptic number.

631263250830 is an abundant number, since it is smaller than the sum of its proper divisors (893801885298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631263250830 is a wasteful number, since it uses less digits than its factorization.

631263250830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139351872.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 631263250830 in words is "six hundred thirty-one billion, two hundred sixty-three million, two hundred fifty thousand, eight hundred thirty".