631488036 has 24 divisors (see below), whose sum is σ = 1474359040. Its totient is φ = 210369312.

The previous prime is 631487959. The next prime is 631488037. The reversal of 631488036 is 630884136.

631488036 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 2×631488036² = 797554279222274592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 631487985 and 631488003.

It is not an unprimeable number, because it can be changed into a prime (631488037) 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, 6150 + ... + 36066.

Almost surely, 2^631488036 is an apocalyptic number.

It is an amenable number.

631488036 is an abundant number, since it is smaller than the sum of its proper divisors (842871004).

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

631488036 is a wasteful number, since it uses less digits than its factorization.

631488036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31683 (or 31681 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 631488036 is about 25129.4256997648. The cubic root of 631488036 is about 857.9362975075.

The spelling of 631488036 in words is "six hundred thirty-one million, four hundred eighty-eight thousand, thirty-six".