1130312320331 has 4 divisors (see below), whose sum is σ = 1130855480664. Its totient is φ = 1129769160000.

The previous prime is 1130312320307. The next prime is 1130312320363. The reversal of 1130312320331 is 1330232130311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1130312320331 - 2²⁶ = 1130245211467 is a prime.

It is a super-2 number, since 2×1130312320331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130312320297 and 1130312320306.

It is not an unprimeable number, because it can be changed into a prime (1130312320931) 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, 271577045 + ... + 271581206.

It is an arithmetic number, because the mean of its divisors is an integer number (282713870166).

Almost surely, 2^{1130312320331} is an apocalyptic number.

1130312320331 is a deficient number, since it is larger than the sum of its proper divisors (543160333).

1130312320331 is an equidigital number, since it uses as much as digits as its factorization.

1130312320331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543160332.

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

Adding to 1130312320331 its reverse (1330232130311), we get a palindrome (2460544450642).

The spelling of 1130312320331 in words is "one trillion, one hundred thirty billion, three hundred twelve million, three hundred twenty thousand, three hundred thirty-one".