331312011103031 has 16 divisors (see below), whose sum is σ = 378873762315264. Its totient is φ = 283808166792864.

The previous prime is 331312011102991. The next prime is 331312011103063. The reversal of 331312011103031 is 130301110213133.

It is not a de Polignac number, because 331312011103031 - 2⁶ = 331312011102967 is a prime.

It is a super-2 number, since 2×331312011103031² (a number of 30 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 = 331312011102988 and 331312011103006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331312011103091) 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, 95690996 + ... + 99092838.

It is an arithmetic number, because the mean of its divisors is an integer number (23679610144704).

Almost surely, 2^{331312011103031} is an apocalyptic number.

331312011103031 is a deficient number, since it is larger than the sum of its proper divisors (47561751212233).

331312011103031 is a wasteful number, since it uses less digits than its factorization.

331312011103031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410350.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 331312011103031 its reverse (130301110213133), we get a palindrome (461613121316164).

The spelling of 331312011103031 in words is "three hundred thirty-one trillion, three hundred twelve billion, eleven million, one hundred three thousand, thirty-one".