31126612253 has 16 divisors (see below), whose sum is σ = 35194564800. Its totient is φ = 27268778880.

The previous prime is 31126612249. The next prime is 31126612271. The reversal of 31126612253 is 35221662113.

It is a happy number.

It is not a de Polignac number, because 31126612253 - 2² = 31126612249 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 (31126612243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73553 + ... + 260121.

It is an arithmetic number, because the mean of its divisors is an integer number (2199660300).

Almost surely, 2^31126612253 is an apocalyptic number.

It is an amenable number.

31126612253 is a deficient number, since it is larger than the sum of its proper divisors (4067952547).

31126612253 is a wasteful number, since it uses less digits than its factorization.

31126612253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187132.

The product of its digits is 12960, while the sum is 32.

The spelling of 31126612253 in words is "thirty-one billion, one hundred twenty-six million, six hundred twelve thousand, two hundred fifty-three".