101243130131 has 16 divisors (see below), whose sum is σ = 125939626848. Its totient is φ = 79961664000.

The previous prime is 101243130119. The next prime is 101243130137. The reversal of 101243130131 is 131031342101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101243130131 is a prime.

It is a super-2 number, since 2×101243130131² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (101243130137) 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, 20820920 + ... + 20825781.

It is an arithmetic number, because the mean of its divisors is an integer number (7871226678).

Almost surely, 2^101243130131 is an apocalyptic number.

101243130131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101243130131 is a deficient number, since it is larger than the sum of its proper divisors (24696496717).

101243130131 is a wasteful number, since it uses less digits than its factorization.

101243130131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41646742.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 101243130131 its reverse (131031342101), we get a palindrome (232274472232).

The spelling of 101243130131 in words is "one hundred one billion, two hundred forty-three million, one hundred thirty thousand, one hundred thirty-one".