331122032031 has 16 divisors (see below), whose sum is σ = 511478783744. Its totient is φ = 186620635584.

The previous prime is 331122031951. The next prime is 331122032041. The reversal of 331122032031 is 130230221133.

It is not a de Polignac number, because 331122032031 - 2¹⁴ = 331122015647 is a prime.

It is a super-2 number, since 2×331122032031² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331122031989 and 331122032007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331122032041) 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, 107996521 + ... + 107999586.

It is an arithmetic number, because the mean of its divisors is an integer number (31967423984).

Almost surely, 2^331122032031 is an apocalyptic number.

331122032031 is a deficient number, since it is larger than the sum of its proper divisors (180356751713).

331122032031 is a wasteful number, since it uses less digits than its factorization.

331122032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215996190.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 331122032031 its reverse (130230221133), we get a palindrome (461352253164).

The spelling of 331122032031 in words is "three hundred thirty-one billion, one hundred twenty-two million, thirty-two thousand, thirty-one".