3113212102031 has 4 divisors (see below), whose sum is σ = 3113268610152. Its totient is φ = 3113155593912.

The previous prime is 3113212102019. The next prime is 3113212102043. The reversal of 3113212102031 is 1302012123113.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (3113212102019) and next prime (3113212102043).

It is a cyclic number.

It is not a de Polignac number, because 3113212102031 - 2²² = 3113207907727 is a prime.

It is a super-2 number, since 2×3113212102031² (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 = 3113212101994 and 3113212102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113212102081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28171340 + ... + 28281633.

It is an arithmetic number, because the mean of its divisors is an integer number (778317152538).

Almost surely, 2^{3113212102031} is an apocalyptic number.

3113212102031 is a deficient number, since it is larger than the sum of its proper divisors (56508121).

3113212102031 is an equidigital number, since it uses as much as digits as its factorization.

3113212102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56508120.

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

Adding to 3113212102031 its reverse (1302012123113), we get a palindrome (4415224225144).

The spelling of 3113212102031 in words is "three trillion, one hundred thirteen billion, two hundred twelve million, one hundred two thousand, thirty-one".