113020545331 has 2 divisors, whose sum is σ = 113020545332. Its totient is φ = 113020545330.

The previous prime is 113020545289. The next prime is 113020545343. The reversal of 113020545331 is 133545020311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113020545331 is a prime.

It is a super-2 number, since 2×113020545331² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113020545331.

It is not a weakly prime, because it can be changed into another prime (113020545431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56510272665 + 56510272666.

It is an arithmetic number, because the mean of its divisors is an integer number (56510272666).

Almost surely, 2^113020545331 is an apocalyptic number.

113020545331 is a deficient number, since it is larger than the sum of its proper divisors (1).

113020545331 is an equidigital number, since it uses as much as digits as its factorization.

113020545331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 113020545331 its reverse (133545020311), we get a palindrome (246565565642).

The spelling of 113020545331 in words is "one hundred thirteen billion, twenty million, five hundred forty-five thousand, three hundred thirty-one".