331132013031 has 4 divisors (see below), whose sum is σ = 441509350712. Its totient is φ = 220754675352.

The previous prime is 331132013011. The next prime is 331132013117. The reversal of 331132013031 is 130310231133.

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

It is not a de Polignac number, because 331132013031 - 2¹⁴ = 331131996647 is a prime.

It is a super-2 number, since 2×331132013031² (a number of 24 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 = 331132012989 and 331132013007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331132013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55188668836 + ... + 55188668841.

It is an arithmetic number, because the mean of its divisors is an integer number (110377337678).

Almost surely, 2^331132013031 is an apocalyptic number.

331132013031 is a deficient number, since it is larger than the sum of its proper divisors (110377337681).

331132013031 is a wasteful number, since it uses less digits than its factorization.

331132013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110377337680.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 331132013031 its reverse (130310231133), we get a palindrome (461442244164).

The spelling of 331132013031 in words is "three hundred thirty-one billion, one hundred thirty-two million, thirteen thousand, thirty-one".