331023431003231 has 32 divisors (see below), whose sum is σ = 361425588185088. Its totient is φ = 302288577212160.

The previous prime is 331023431003219. The next prime is 331023431003303. The reversal of 331023431003231 is 132300134320133.

It is not a de Polignac number, because 331023431003231 - 2²² = 331023426808927 is a prime.

It is a super-2 number, since 2×331023431003231² (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 = 331023431003194 and 331023431003203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331023431003431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284270021 + ... + 285432113.

It is an arithmetic number, because the mean of its divisors is an integer number (11294549630784).

Almost surely, 2^{331023431003231} is an apocalyptic number.

331023431003231 is a deficient number, since it is larger than the sum of its proper divisors (30402157181857).

331023431003231 is a wasteful number, since it uses less digits than its factorization.

331023431003231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168631.

The product of its (nonzero) digits is 11664, while the sum is 29.

Adding to 331023431003231 its reverse (132300134320133), we get a palindrome (463323565323364).

The spelling of 331023431003231 in words is "three hundred thirty-one trillion, twenty-three billion, four hundred thirty-one million, three thousand, two hundred thirty-one".