3112100120031 has 64 divisors (see below), whose sum is σ = 5081248972800. Its totient is φ = 1653746282496.

The previous prime is 3112100120011. The next prime is 3112100120053. The reversal of 3112100120031 is 1300210012113.

It is a happy number.

It is not a de Polignac number, because 3112100120031 - 2⁷ = 3112100119903 is a prime.

It is a super-2 number, since 2×3112100120031² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112100120011) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45369346 + ... + 45437888.

It is an arithmetic number, because the mean of its divisors is an integer number (79394515200).

Almost surely, 2^{3112100120031} is an apocalyptic number.

3112100120031 is a deficient number, since it is larger than the sum of its proper divisors (1969148852769).

3112100120031 is a wasteful number, since it uses less digits than its factorization.

3112100120031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70088.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 3112100120031 its reverse (1300210012113), we get a palindrome (4412310132144).

The spelling of 3112100120031 in words is "three trillion, one hundred twelve billion, one hundred million, one hundred twenty thousand, thirty-one".