631106870 has 16 divisors (see below), whose sum is σ = 1140522768. Its totient is φ = 251436000.

The previous prime is 631106863. The next prime is 631106887. The reversal of 631106870 is 78601136.

It is a super-2 number, since 2×631106870² = 796591762722393800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123209 + ... + 128228.

It is an arithmetic number, because the mean of its divisors is an integer number (71282673).

Almost surely, 2^631106870 is an apocalyptic number.

631106870 is a deficient number, since it is larger than the sum of its proper divisors (509415898).

631106870 is a wasteful number, since it uses less digits than its factorization.

631106870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251695.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 631106870 is about 25121.8404978616. The cubic root of 631106870 is about 857.7636460632.

The spelling of 631106870 in words is "six hundred thirty-one million, one hundred six thousand, eight hundred seventy".