31331322033023 has 48 divisors (see below), whose sum is σ = 34855908120000. Its totient is φ = 28126802755584.

The previous prime is 31331322032981. The next prime is 31331322033061. The reversal of 31331322033023 is 32033022313313.

It is a de Polignac number, because none of the positive numbers 2^k-31331322033023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31331322033923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 707822390 + ... + 707866652.

It is an arithmetic number, because the mean of its divisors is an integer number (726164752500).

Almost surely, 2^{31331322033023} is an apocalyptic number.

31331322033023 is a deficient number, since it is larger than the sum of its proper divisors (3524586086977).

31331322033023 is a wasteful number, since it uses less digits than its factorization.

31331322033023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45636 (or 45619 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 29.

Adding to 31331322033023 its reverse (32033022313313), we get a palindrome (63364344346336).

The spelling of 31331322033023 in words is "thirty-one trillion, three hundred thirty-one billion, three hundred twenty-two million, thirty-three thousand, twenty-three".