1313012023131 has 32 divisors (see below), whose sum is σ = 1797465600000. Its totient is φ = 852049336320.

The previous prime is 1313012023123. The next prime is 1313012023163. The reversal of 1313012023131 is 1313202103131.

It is a happy number.

It is not a de Polignac number, because 1313012023131 - 2³ = 1313012023123 is a prime.

It is a super-2 number, since 2×1313012023131² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1313012023098 and 1313012023107.

It is not an unprimeable number, because it can be changed into a prime (1313012023181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110451870 + ... + 110463756.

It is an arithmetic number, because the mean of its divisors is an integer number (56170800000).

Almost surely, 2^{1313012023131} is an apocalyptic number.

1313012023131 is a deficient number, since it is larger than the sum of its proper divisors (484453576869).

1313012023131 is a wasteful number, since it uses less digits than its factorization.

1313012023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13899.

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

Adding to 1313012023131 its reverse (1313202103131), we get a palindrome (2626214126262).

The spelling of 1313012023131 in words is "one trillion, three hundred thirteen billion, twelve million, twenty-three thousand, one hundred thirty-one".