1312320131310 has 32 divisors (see below), whose sum is σ = 3202950833280. Its totient is φ = 344020644128.

The previous prime is 1312320131281. The next prime is 1312320131371. The reversal of 1312320131310 is 131310232131.

It is a happy number.

It is a super-2 number, since 2×1312320131310² (a number of 25 digits) contains 22 as substring.

It is a congruent 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, 370710132 + ... + 370713671.

It is an arithmetic number, because the mean of its divisors is an integer number (100092213540).

Almost surely, 2^{1312320131310} is an apocalyptic number.

1312320131310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312320131310 is an abundant number, since it is smaller than the sum of its proper divisors (1890630701970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312320131310 is a wasteful number, since it uses less digits than its factorization.

1312320131310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741423872.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1312320131310 its reverse (131310232131), we get a palindrome (1443630363441).

The spelling of 1312320131310 in words is "one trillion, three hundred twelve billion, three hundred twenty million, one hundred thirty-one thousand, three hundred ten".