103231201131 has 24 divisors (see below), whose sum is σ = 153161072064. Its totient is φ = 66952344960.

The previous prime is 103231201123. The next prime is 103231201141. The reversal of 103231201131 is 131102132301.

103231201131 is a `hidden beast` number, since 10 + 323 + 1 + 201 + 131 = 666.

It is not a de Polignac number, because 103231201131 - 2³ = 103231201123 is a prime.

It is a super-2 number, since 2×103231201131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103231201121) 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, 3677991 + ... + 3705951.

It is an arithmetic number, because the mean of its divisors is an integer number (6381711336).

Almost surely, 2^103231201131 is an apocalyptic number.

103231201131 is a deficient number, since it is larger than the sum of its proper divisors (49929870933).

103231201131 is a wasteful number, since it uses less digits than its factorization.

103231201131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39091 (or 39088 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103231201131 its reverse (131102132301), we get a palindrome (234333333432).

The spelling of 103231201131 in words is "one hundred three billion, two hundred thirty-one million, two hundred one thousand, one hundred thirty-one".