3112012312031 has 16 divisors (see below), whose sum is σ = 3594200653824. Its totient is φ = 2639340383904.

The previous prime is 3112012312027. The next prime is 3112012312037. The reversal of 3112012312031 is 1302132102113.

It is a happy number.

It is not a de Polignac number, because 3112012312031 - 2² = 3112012312027 is a prime.

It is a super-2 number, since 2×3112012312031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3112012311994 and 3112012312012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112012312037) 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, 4360865 + ... + 5024058.

It is an arithmetic number, because the mean of its divisors is an integer number (224637540864).

Almost surely, 2^{3112012312031} is an apocalyptic number.

3112012312031 is a deficient number, since it is larger than the sum of its proper divisors (482188341793).

3112012312031 is a wasteful number, since it uses less digits than its factorization.

3112012312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385430.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3112012312031 its reverse (1302132102113), we get a palindrome (4414144414144).

The spelling of 3112012312031 in words is "three trillion, one hundred twelve billion, twelve million, three hundred twelve thousand, thirty-one".