631634335332 has 96 divisors (see below), whose sum is σ = 1978826486784. Its totient is φ = 151440796800.

The previous prime is 631634335301. The next prime is 631634335427. The reversal of 631634335332 is 233533436136.

It is a super-3 number, since 3×631634335332³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26279794 + ... + 26303817.

It is an arithmetic number, because the mean of its divisors is an integer number (20612775904).

Almost surely, 2^631634335332 is an apocalyptic number.

It is an amenable number.

631634335332 is an abundant number, since it is smaller than the sum of its proper divisors (1347192151452).

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

631634335332 is a wasteful number, since it uses less digits than its factorization.

631634335332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52583649 (or 52583647 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 42.

The spelling of 631634335332 in words is "six hundred thirty-one billion, six hundred thirty-four million, three hundred thirty-five thousand, three hundred thirty-two".