31265041 has 2 divisors, whose sum is σ = 31265042. Its totient is φ = 31265040.

The previous prime is 31265033. The next prime is 31265093. The reversal of 31265041 is 14056213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25040016 + 6225025 = 5004^2 + 2495^2 .

It is a cyclic number.

It is not a de Polignac number, because 31265041 - 2³ = 31265033 is a prime.

It is a super-3 number, since 3×31265041³ (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (31262041) 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 as a sum of consecutive naturals, namely, 15632520 + 15632521.

It is an arithmetic number, because the mean of its divisors is an integer number (15632521).

Almost surely, 2^31265041 is an apocalyptic number.

It is an amenable number.

31265041 is a deficient number, since it is larger than the sum of its proper divisors (1).

31265041 is an equidigital number, since it uses as much as digits as its factorization.

31265041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 31265041 is about 5591.5150898482. The cubic root of 31265041 is about 315.0307889616.

The spelling of 31265041 in words is "thirty-one million, two hundred sixty-five thousand, forty-one".