814514931 has 12 divisors (see below), whose sum is σ = 1245728952. Its totient is φ = 511068096.

The previous prime is 814514903. The next prime is 814514951. The reversal of 814514931 is 139415418.

It is not a de Polignac number, because 814514931 - 2¹⁹ = 813990643 is a prime.

It is a super-2 number, since 2×814514931² = 1326869145643869522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (814514951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2661661 + ... + 2661966.

It is an arithmetic number, because the mean of its divisors is an integer number (103810746).

Almost surely, 2^814514931 is an apocalyptic number.

814514931 is a deficient number, since it is larger than the sum of its proper divisors (431214021).

814514931 is a wasteful number, since it uses less digits than its factorization.

814514931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5323650 (or 5323647 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 814514931 is about 28539.7079697743. The cubic root of 814514931 is about 933.8985116706.

The spelling of 814514931 in words is "eight hundred fourteen million, five hundred fourteen thousand, nine hundred thirty-one".