1130321313031 has 4 divisors (see below), whose sum is σ = 1151648130312. Its totient is φ = 1108994495752.

The previous prime is 1130321313007. The next prime is 1130321313041. The reversal of 1130321313031 is 1303131230311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1130321313031 is a prime.

It is a super-2 number, since 2×1130321313031² (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 = 1130321312993 and 1130321313011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130321313001) 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, 10663408561 + ... + 10663408666.

It is an arithmetic number, because the mean of its divisors is an integer number (287912032578).

Almost surely, 2^{1130321313031} is an apocalyptic number.

1130321313031 is a deficient number, since it is larger than the sum of its proper divisors (21326817281).

1130321313031 is an equidigital number, since it uses as much as digits as its factorization.

1130321313031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21326817280.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1130321313031 its reverse (1303131230311), we get a palindrome (2433452543342).

The spelling of 1130321313031 in words is "one trillion, one hundred thirty billion, three hundred twenty-one million, three hundred thirteen thousand, thirty-one".