80969031 has 64 divisors (see below), whose sum is σ = 143485440. Its totient is φ = 44478720.

The previous prime is 80969027. The next prime is 80969033. The reversal of 80969031 is 13096908.

It is not a de Polignac number, because 80969031 - 2² = 80969027 is a prime.

It is a super-2 number, since 2×80969031² = 13111967962157922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80969033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 258531 + ... + 258843.

It is an arithmetic number, because the mean of its divisors is an integer number (2241960).

Almost surely, 2^80969031 is an apocalyptic number.

80969031 is a deficient number, since it is larger than the sum of its proper divisors (62516409).

80969031 is a wasteful number, since it uses less digits than its factorization.

80969031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 80969031 is about 8998.2793355174. The cubic root of 80969031 is about 432.6197220546.

The spelling of 80969031 in words is "eighty million, nine hundred sixty-nine thousand, thirty-one".