220124231131 has 16 divisors (see below), whose sum is σ = 267240582400. Its totient is φ = 177107599008.

The previous prime is 220124231069. The next prime is 220124231137. The reversal of 220124231131 is 131132421022.

It is a cyclic number.

It is not a de Polignac number, because 220124231131 - 2¹⁵ = 220124198363 is a prime.

It is a super-2 number, since 2×220124231131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220124231137) 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, 7577565 + ... + 7606558.

It is an arithmetic number, because the mean of its divisors is an integer number (16702536400).

Almost surely, 2^220124231131 is an apocalyptic number.

220124231131 is a deficient number, since it is larger than the sum of its proper divisors (47116351269).

220124231131 is a wasteful number, since it uses less digits than its factorization.

220124231131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15184258.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 220124231131 its reverse (131132421022), we get a palindrome (351256652153).

The spelling of 220124231131 in words is "two hundred twenty billion, one hundred twenty-four million, two hundred thirty-one thousand, one hundred thirty-one".