31132002011023 has 4 divisors (see below), whose sum is σ = 31132013173128. Its totient is φ = 31131990848920.

The previous prime is 31132002010969. The next prime is 31132002011093. The reversal of 31132002011023 is 32011020023113.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31132002011023 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 (31132002011093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2599965 + ... + 8308057.

It is an arithmetic number, because the mean of its divisors is an integer number (7783003293282).

Almost surely, 2^{31132002011023} is an apocalyptic number.

31132002011023 is a deficient number, since it is larger than the sum of its proper divisors (11162105).

31132002011023 is an equidigital number, since it uses as much as digits as its factorization.

31132002011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11162104.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31132002011023 its reverse (32011020023113), we get a palindrome (63143022034136).

The spelling of 31132002011023 in words is "thirty-one trillion, one hundred thirty-two billion, two million, eleven thousand, twenty-three".