31140795 has 16 divisors (see below), whose sum is σ = 56943360. Its totient is φ = 14235744.

The previous prime is 31140779. The next prime is 31140797. The reversal of 31140795 is 59704113.

It is not a de Polignac number, because 31140795 - 2⁴ = 31140779 is a prime.

It is a super-2 number, since 2×31140795² = 1939498226464050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31140797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148185 + ... + 148394.

It is an arithmetic number, because the mean of its divisors is an integer number (3558960).

Almost surely, 2^31140795 is an apocalyptic number.

31140795 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

31140795 is a deficient number, since it is larger than the sum of its proper divisors (25802565).

31140795 is a wasteful number, since it uses less digits than its factorization.

31140795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296594.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 31140795 is about 5580.3938033082. The cubic root of 31140795 is about 314.6129284419.

The spelling of 31140795 in words is "thirty-one million, one hundred forty thousand, seven hundred ninety-five".