1312231102130 has 32 divisors (see below), whose sum is σ = 2543834435184. Its totient is φ = 484492306176.

The previous prime is 1312231102111. The next prime is 1312231102153. The reversal of 1312231102130 is 312011322131.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 74545926961 + 1237685175169 = 273031^2 + 1112513^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2528804 + ... + 3003216.

Almost surely, 2^{1312231102130} is an apocalyptic number.

1312231102130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312231102130 is a deficient number, since it is larger than the sum of its proper divisors (1231603333054).

1312231102130 is a wasteful number, since it uses less digits than its factorization.

1312231102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495710.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312231102130 its reverse (312011322131), we get a palindrome (1624242424261).

The spelling of 1312231102130 in words is "one trillion, three hundred twelve billion, two hundred thirty-one million, one hundred two thousand, one hundred thirty".