631350230 has 32 divisors (see below), whose sum is σ = 1355249664. Its totient is φ = 207050976.

The previous prime is 631350227. The next prime is 631350281. The reversal of 631350230 is 32053136.

631350230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×631350230² = 797206225842105800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 631350196 and 631350205.

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, 194462 + ... + 197681.

It is an arithmetic number, because the mean of its divisors is an integer number (42351552).

Almost surely, 2^631350230 is an apocalyptic number.

631350230 is an abundant number, since it is smaller than the sum of its proper divisors (723899434).

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

631350230 is a wasteful number, since it uses less digits than its factorization.

631350230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392180.

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 631350230 is about 25126.6836251822. The cubic root of 631350230 is about 857.8738854670.

The spelling of 631350230 in words is "six hundred thirty-one million, three hundred fifty thousand, two hundred thirty".