1013131130331 has 16 divisors (see below), whose sum is σ = 1430325225504. Its totient is φ = 635680141824.

The previous prime is 1013131130327. The next prime is 1013131130369. The reversal of 1013131130331 is 1330311313101.

It is not a de Polignac number, because 1013131130331 - 2² = 1013131130327 is a prime.

It is a super-2 number, since 2×1013131130331² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013131130298 and 1013131130307.

It is not an unprimeable number, because it can be changed into a prime (1013131130321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4439781 + ... + 4662393.

It is an arithmetic number, because the mean of its divisors is an integer number (89395326594).

Almost surely, 2^{1013131130331} is an apocalyptic number.

1013131130331 is a deficient number, since it is larger than the sum of its proper divisors (417194095173).

1013131130331 is a wasteful number, since it uses less digits than its factorization.

1013131130331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311870.

The product of its (nonzero) digits is 243, while the sum is 21.

Adding to 1013131130331 its reverse (1330311313101), we get a palindrome (2343442443432).

The spelling of 1013131130331 in words is "one trillion, thirteen billion, one hundred thirty-one million, one hundred thirty thousand, three hundred thirty-one".