31741965 has 24 divisors (see below), whose sum is σ = 56061720. Its totient is φ = 16608384.

The previous prime is 31741961. The next prime is 31741993. The reversal of 31741965 is 56914713.

It can be written as a sum of positive squares in 4 ways, for example, as 236196 + 31505769 = 486^2 + 5613^2 .

It is not a de Polignac number, because 31741965 - 2² = 31741961 is a prime.

It is a super-2 number, since 2×31741965² = 2015104684122450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31741961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4270 + ... + 9039.

It is an arithmetic number, because the mean of its divisors is an integer number (2335905).

Almost surely, 2^31741965 is an apocalyptic number.

It is an amenable number.

31741965 is a deficient number, since it is larger than the sum of its proper divisors (24319755).

31741965 is a wasteful number, since it uses less digits than its factorization.

31741965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13373 (or 13370 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 31741965 is about 5634.0007987220. Note that the first 3 decimals coincide. The cubic root of 31741965 is about 316.6245625769.

The spelling of 31741965 in words is "thirty-one million, seven hundred forty-one thousand, nine hundred sixty-five".