1031321112330 has 64 divisors (see below), whose sum is σ = 2528468587008. Its totient is φ = 269099911680.

The previous prime is 1031321112323. The next prime is 1031321112343. The reversal of 1031321112330 is 332111231301.

It is a happy number.

1031321112330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1031321112297 and 1031321112306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5653140 + ... + 5832720.

It is an arithmetic number, because the mean of its divisors is an integer number (39507321672).

Almost surely, 2^{1031321112330} is an apocalyptic number.

1031321112330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1031321112330 is an abundant number, since it is smaller than the sum of its proper divisors (1497147474678).

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

1031321112330 is a wasteful number, since it uses less digits than its factorization.

1031321112330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183711.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1031321112330 its reverse (332111231301), we get a palindrome (1363432343631).

The spelling of 1031321112330 in words is "one trillion, thirty-one billion, three hundred twenty-one million, one hundred twelve thousand, three hundred thirty".