631360120 has 96 divisors (see below), whose sum is σ = 1565269920. Its totient is φ = 228729600.

The previous prime is 631360109. The next prime is 631360141. The reversal of 631360120 is 21063136.

It is a super-2 number, since 2×631360120² = 797231202252828800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 631360091 and 631360100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 331170 + ... + 333070.

It is an arithmetic number, because the mean of its divisors is an integer number (16304895).

Almost surely, 2^631360120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631360120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782634960).

631360120 is an abundant number, since it is smaller than the sum of its proper divisors (933909800).

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

631360120 is a wasteful number, since it uses less digits than its factorization.

631360120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1950 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 631360120 is about 25126.8804271442. The cubic root of 631360120 is about 857.8783649292.

The spelling of 631360120 in words is "six hundred thirty-one million, three hundred sixty thousand, one hundred twenty".