1230310031131 has 12 divisors (see below), whose sum is σ = 1291363825248. Its totient is φ = 1171589019552.

The previous prime is 1230310031101. The next prime is 1230310031161. The reversal of 1230310031131 is 1311300130321.

It is an interprime number because it is at equal distance from previous prime (1230310031101) and next prime (1230310031161).

It is not a de Polignac number, because 1230310031131 - 2¹⁵ = 1230309998363 is a prime.

It is a super-2 number, since 2×1230310031131² (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 = 1230310031099 and 1230310031108.

It is not an unprimeable number, because it can be changed into a prime (1230310031101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9496216 + ... + 9624901.

It is an arithmetic number, because the mean of its divisors is an integer number (107613652104).

Almost surely, 2^{1230310031131} is an apocalyptic number.

1230310031131 is a deficient number, since it is larger than the sum of its proper divisors (61053794117).

1230310031131 is an equidigital number, since it uses as much as digits as its factorization.

1230310031131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19121238 (or 19121201 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 1230310031131 its reverse (1311300130321), we get a palindrome (2541610161452).

The spelling of 1230310031131 in words is "one trillion, two hundred thirty billion, three hundred ten million, thirty-one thousand, one hundred thirty-one".