31469133930 has 32 divisors (see below), whose sum is σ = 81335608704. Its totient is φ = 7746248256.

The previous prime is 31469133923. The next prime is 31469133961. The reversal of 31469133930 is 3933196413.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40344654 + ... + 40345433.

It is an arithmetic number, because the mean of its divisors is an integer number (2541737772).

Almost surely, 2^31469133930 is an apocalyptic number.

31469133930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31469133930 is an abundant number, since it is smaller than the sum of its proper divisors (49866474774).

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

31469133930 is a wasteful number, since it uses less digits than its factorization.

31469133930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80690110.

The product of its (nonzero) digits is 157464, while the sum is 42.

The spelling of 31469133930 in words is "thirty-one billion, four hundred sixty-nine million, one hundred thirty-three thousand, nine hundred thirty".