220131033013 has 2 divisors, whose sum is σ = 220131033014. Its totient is φ = 220131033012.

The previous prime is 220131032987. The next prime is 220131033029. The reversal of 220131033013 is 310330131022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179608135204 + 40522897809 = 423802^2 + 201303^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220131033013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220131033053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110065516506 + 110065516507.

It is an arithmetic number, because the mean of its divisors is an integer number (110065516507).

Almost surely, 2^220131033013 is an apocalyptic number.

It is an amenable number.

220131033013 is a deficient number, since it is larger than the sum of its proper divisors (1).

220131033013 is an equidigital number, since it uses as much as digits as its factorization.

220131033013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 220131033013 its reverse (310330131022), we get a palindrome (530461164035).

The spelling of 220131033013 in words is "two hundred twenty billion, one hundred thirty-one million, thirty-three thousand, thirteen".