31031132023000 has 32 divisors (see below), whose sum is σ = 72612848936160. Its totient is φ = 12412452808800.

The previous prime is 31031132022901. The next prime is 31031132023009. The reversal of 31031132023000 is 32023113013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31031132023009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15515565012 + ... + 15515567011.

It is an arithmetic number, because the mean of its divisors is an integer number (2269151529255).

Almost surely, 2^{31031132023000} is an apocalyptic number.

It is an amenable number.

31031132023000 is an abundant number, since it is smaller than the sum of its proper divisors (41581716913160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31031132023000 is a wasteful number, since it uses less digits than its factorization.

31031132023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31031132044 (or 31031132030 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 31031132023000 its reverse (32023113013), we get a palindrome (31063155136013).

The spelling of 31031132023000 in words is "thirty-one trillion, thirty-one billion, one hundred thirty-two million, twenty-three thousand".