31464969 has 16 divisors (see below), whose sum is σ = 45588480. Its totient is φ = 19230480.

The previous prime is 31464967. The next prime is 31464973. The reversal of 31464969 is 96946413.

It is not a de Polignac number, because 31464969 - 2¹ = 31464967 is a prime.

It is a super-2 number, since 2×31464969² = 1980088548341922, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31464969.

It is not an unprimeable number, because it can be changed into a prime (31464967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7137 + ... + 10670.

It is an arithmetic number, because the mean of its divisors is an integer number (2849280).

Almost surely, 2^31464969 is an apocalyptic number.

It is an amenable number.

31464969 is a deficient number, since it is larger than the sum of its proper divisors (14123511).

31464969 is a wasteful number, since it uses less digits than its factorization.

31464969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17860.

The product of its digits is 139968, while the sum is 42.

The square root of 31464969 is about 5609.3644024970. The cubic root of 31464969 is about 315.7008632333.

The spelling of 31464969 in words is "thirty-one million, four hundred sixty-four thousand, nine hundred sixty-nine".