31314771 has 12 divisors (see below), whose sum is σ = 45590272. Its totient is φ = 20711376.

The previous prime is 31314769. The next prime is 31314779. The reversal of 31314771 is 17741313.

It is not a de Polignac number, because 31314771 - 2¹ = 31314769 is a prime.

It is a super-2 number, since 2×31314771² = 1961229765564882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31314779) 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, 12556 + ... + 14841.

Almost surely, 2^31314771 is an apocalyptic number.

31314771 is a deficient number, since it is larger than the sum of its proper divisors (14275501).

31314771 is a wasteful number, since it uses less digits than its factorization.

31314771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27530 (or 27527 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 31314771 is about 5595.9602393155. The cubic root of 31314771 is about 315.1977292206.

The spelling of 31314771 in words is "thirty-one million, three hundred fourteen thousand, seven hundred seventy-one".