31089053 has 2 divisors, whose sum is σ = 31089054. Its totient is φ = 31089052.

The previous prime is 31089049. The next prime is 31089059. The reversal of 31089053 is 35098013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22486564 + 8602489 = 4742^2 + 2933^2 .

It is a cyclic number.

It is not a de Polignac number, because 31089053 - 2² = 31089049 is a prime.

It is a super-5 number, since 5×31089053⁵ (a number of 39 digits) contains 55555 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31089059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15544526 + 15544527.

It is an arithmetic number, because the mean of its divisors is an integer number (15544527).

Almost surely, 2^31089053 is an apocalyptic number.

It is an amenable number.

31089053 is a deficient number, since it is larger than the sum of its proper divisors (1).

31089053 is an equidigital number, since it uses as much as digits as its factorization.

31089053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 31089053 is about 5575.7558232046. The cubic root of 31089053 is about 314.4385834342.

The spelling of 31089053 in words is "thirty-one million, eighty-nine thousand, fifty-three".