631201929374 has 32 divisors (see below), whose sum is σ = 968618083680. Its totient is φ = 308395929600.

The previous prime is 631201929367. The next prime is 631201929377. The reversal of 631201929374 is 473929102136.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631201929377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30073964 + ... + 30094944.

It is an arithmetic number, because the mean of its divisors is an integer number (30269315115).

Almost surely, 2^631201929374 is an apocalyptic number.

631201929374 is a deficient number, since it is larger than the sum of its proper divisors (337416154306).

631201929374 is a wasteful number, since it uses less digits than its factorization.

631201929374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556.

The product of its (nonzero) digits is 489888, while the sum is 47.

The spelling of 631201929374 in words is "six hundred thirty-one billion, two hundred one million, nine hundred twenty-nine thousand, three hundred seventy-four".