3111201112031 has 16 divisors (see below), whose sum is σ = 3324319536000. Its totient is φ = 2903032791648.

The previous prime is 3111201112013. The next prime is 3111201112067. The reversal of 3111201112031 is 1302111021113.

It is a cyclic number.

It is not a de Polignac number, because 3111201112031 - 2²² = 3111196917727 is a prime.

It is a super-2 number, since 2×3111201112031² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3111201112931) 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, 8605301 + ... + 8959553.

It is an arithmetic number, because the mean of its divisors is an integer number (207769971000).

Almost surely, 2^{3111201112031} is an apocalyptic number.

3111201112031 is a deficient number, since it is larger than the sum of its proper divisors (213118423969).

3111201112031 is a wasteful number, since it uses less digits than its factorization.

3111201112031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361238.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 3111201112031 its reverse (1302111021113), we get a palindrome (4413312133144).

The spelling of 3111201112031 in words is "three trillion, one hundred eleven billion, two hundred one million, one hundred twelve thousand, thirty-one".