101131240131 has 12 divisors (see below), whose sum is σ = 153766798120. Its totient is φ = 63872362080.

The previous prime is 101131240127. The next prime is 101131240193. The reversal of 101131240131 is 131042131101.

It is a happy number.

101131240131 is a `hidden beast` number, since 101 + 131 + 2 + 401 + 31 = 666.

It is not a de Polignac number, because 101131240131 - 2² = 101131240127 is a prime.

It is a super-2 number, since 2×101131240131² (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 (101131240121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295705210 + ... + 295705551.

Almost surely, 2^101131240131 is an apocalyptic number.

101131240131 is a deficient number, since it is larger than the sum of its proper divisors (52635557989).

101131240131 is a wasteful number, since it uses less digits than its factorization.

101131240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591410786 (or 591410783 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 101131240131 its reverse (131042131101), we get a palindrome (232173371232).

The spelling of 101131240131 in words is "one hundred one billion, one hundred thirty-one million, two hundred forty thousand, one hundred thirty-one".