31469868 has 36 divisors (see below), whose sum is σ = 80168088. Its totient is φ = 10408320.

The previous prime is 31469861. The next prime is 31469903. The reversal of 31469868 is 86896413.

31469868 is nontrivially palindromic in base 11.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31469861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1380 + ... + 8052.

Almost surely, 2^31469868 is an apocalyptic number.

It is an amenable number.

31469868 is an abundant number, since it is smaller than the sum of its proper divisors (48698220).

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

31469868 is a wasteful number, since it uses less digits than its factorization.

31469868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814 (or 6809 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 31469868 is about 5609.8010659916. The cubic root of 31469868 is about 315.7172469378.

The spelling of 31469868 in words is "thirty-one million, four hundred sixty-nine thousand, eight hundred sixty-eight".