1310131322120 has 32 divisors (see below), whose sum is σ = 3121195210200. Its totient is φ = 493225909248.

The previous prime is 1310131322119. The next prime is 1310131322153. The reversal of 1310131322120 is 212231310131.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 987364170244 + 322767151876 = 993662^2 + 568126^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1310131322092 and 1310131322101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963331175 + ... + 963332534.

Almost surely, 2^{1310131322120} is an apocalyptic number.

1310131322120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310131322120 is an abundant number, since it is smaller than the sum of its proper divisors (1811063888080).

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

1310131322120 is a wasteful number, since it uses less digits than its factorization.

1310131322120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926663737 (or 1926663733 counting only the distinct ones).

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

Adding to 1310131322120 its reverse (212231310131), we get a palindrome (1522362632251).

The spelling of 1310131322120 in words is "one trillion, three hundred ten billion, one hundred thirty-one million, three hundred twenty-two thousand, one hundred twenty".