31301231001332 has 24 divisors (see below), whose sum is σ = 54949157444832. Its totient is φ = 15601482943200.

The previous prime is 31301231001323. The next prime is 31301231001347. The reversal of 31301231001332 is 23310013210313.

It is a junction number, because it is equal to n+sod(n) for n = 31301231001298 and 31301231001307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9805283 + ... + 12599445.

It is an arithmetic number, because the mean of its divisors is an integer number (2289548226868).

Almost surely, 2^{31301231001332} is an apocalyptic number.

It is an amenable number.

31301231001332 is a deficient number, since it is larger than the sum of its proper divisors (23647926443500).

31301231001332 is a wasteful number, since it uses less digits than its factorization.

31301231001332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802959 (or 2802957 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31301231001332 its reverse (23310013210313), we get a palindrome (54611244211645).

The spelling of 31301231001332 in words is "thirty-one trillion, three hundred one billion, two hundred thirty-one million, one thousand, three hundred thirty-two".