631432442412 has 60 divisors (see below), whose sum is σ = 1651649735736. Its totient is φ = 210354995520.

The previous prime is 631432442401. The next prime is 631432442441. The reversal of 631432442412 is 214244234136.

631432442412 is a `hidden beast` number, since 6 + 314 + 324 + 4 + 2 + 4 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8598 + ... + 1123805.

Almost surely, 2^631432442412 is an apocalyptic number.

It is an amenable number.

631432442412 is an abundant number, since it is smaller than the sum of its proper divisors (1020217293324).

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

631432442412 is a wasteful number, since it uses less digits than its factorization.

631432442412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134140 (or 1134129 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 631432442412 its reverse (214244234136), we get a palindrome (845676676548).

The spelling of 631432442412 in words is "six hundred thirty-one billion, four hundred thirty-two million, four hundred forty-two thousand, four hundred twelve".