231011301313 has 24 divisors (see below), whose sum is σ = 250879802040. Its totient is φ = 212618764800.

The previous prime is 231011301281. The next prime is 231011301331. The reversal of 231011301313 is 313103110132.

It can be written as a sum of positive squares in 12 ways, for example, as 159242498704 + 71768802609 = 399052^2 + 267897^2 .

It is not a de Polignac number, because 231011301313 - 2⁵ = 231011301281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231011301383) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143573653 + ... + 143575261.

It is an arithmetic number, because the mean of its divisors is an integer number (10453325085).

Almost surely, 2^231011301313 is an apocalyptic number.

It is an amenable number.

231011301313 is a deficient number, since it is larger than the sum of its proper divisors (19868500727).

231011301313 is a wasteful number, since it uses less digits than its factorization.

231011301313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 231011301313 its reverse (313103110132), we get a palindrome (544114411445).

The spelling of 231011301313 in words is "two hundred thirty-one billion, eleven million, three hundred one thousand, three hundred thirteen".