1012320413131 has 4 divisors (see below), whose sum is σ = 1012627087264. Its totient is φ = 1012013739000.

The previous prime is 1012320413129. The next prime is 1012320413147. The reversal of 1012320413131 is 1313140232101.

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 1012320413131 - 2¹ = 1012320413129 is a prime.

It is a super-2 number, since 2×1012320413131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012320413101) 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, 153332115 + ... + 153338716.

It is an arithmetic number, because the mean of its divisors is an integer number (253156771816).

Almost surely, 2^{1012320413131} is an apocalyptic number.

1012320413131 is a deficient number, since it is larger than the sum of its proper divisors (306674133).

1012320413131 is an equidigital number, since it uses as much as digits as its factorization.

1012320413131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306674132.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1012320413131 its reverse (1313140232101), we get a palindrome (2325460645232).

The spelling of 1012320413131 in words is "one trillion, twelve billion, three hundred twenty million, four hundred thirteen thousand, one hundred thirty-one".