403220104131 has 32 divisors (see below), whose sum is σ = 582503023872. Its totient is φ = 246627607680.

The previous prime is 403220104093. The next prime is 403220104139. The reversal of 403220104131 is 131401022304.

It is a de Polignac number, because none of the positive numbers 2^k-403220104131 is a prime.

It is a super-2 number, since 2×403220104131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 403220104098 and 403220104107.

It is not an unprimeable number, because it can be changed into a prime (403220104139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30240136 + ... + 30253466.

It is an arithmetic number, because the mean of its divisors is an integer number (18203219496).

Almost surely, 2^403220104131 is an apocalyptic number.

403220104131 is a deficient number, since it is larger than the sum of its proper divisors (179282919741).

403220104131 is a wasteful number, since it uses less digits than its factorization.

403220104131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18003.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 403220104131 its reverse (131401022304), we get a palindrome (534621126435).

The spelling of 403220104131 in words is "four hundred three billion, two hundred twenty million, one hundred four thousand, one hundred thirty-one".