31118053 has 6 divisors (see below), whose sum is σ = 31408754. Its totient is φ = 30830016.

The previous prime is 31118047. The next prime is 31118071. The reversal of 31118053 is 35081113.

It can be written as a sum of positive squares in 3 ways, for example, as 3969 + 31114084 = 63^2 + 5578^2 .

It is not a de Polignac number, because 31118053 - 2¹⁷ = 30986981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31118023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11551 + ... + 13987.

Almost surely, 2^31118053 is an apocalyptic number.

It is an amenable number.

31118053 is a deficient number, since it is larger than the sum of its proper divisors (290701).

31118053 is an equidigital number, since it uses as much as digits as its factorization.

31118053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 31118053 is about 5578.3557613333. The cubic root of 31118053 is about 314.5363229296.

Adding to 31118053 its reverse (35081113), we get a palindrome (66199166).

The spelling of 31118053 in words is "thirty-one million, one hundred eighteen thousand, fifty-three".