1310130031021 has 96 divisors (see below), whose sum is σ = 1724766151680. Its totient is φ = 970827005952.

The previous prime is 1310130030961. The next prime is 1310130031039. The reversal of 1310130031021 is 1201300310131.

It is not a de Polignac number, because 1310130031021 - 2²³ = 1310121642413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1310130030986 and 1310130031004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310130031121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 220075981 + ... + 220081933.

It is an arithmetic number, because the mean of its divisors is an integer number (17966314080).

Almost surely, 2^{1310130031021} is an apocalyptic number.

It is an amenable number.

1310130031021 is a deficient number, since it is larger than the sum of its proper divisors (414636120659).

1310130031021 is a wasteful number, since it uses less digits than its factorization.

1310130031021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6171 (or 6152 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1310130031021 its reverse (1201300310131), we get a palindrome (2511430341152).

The spelling of 1310130031021 in words is "one trillion, three hundred ten billion, one hundred thirty million, thirty-one thousand, twenty-one".