102100231312131 has 16 divisors (see below), whose sum is σ = 154321537207040. Its totient is φ = 59524021493280.

The previous prime is 102100231312109. The next prime is 102100231312151. The reversal of 102100231312131 is 131213132001201.

It is not a de Polignac number, because 102100231312131 - 2¹⁴ = 102100231295747 is a prime.

It is a super-2 number, since 2×102100231312131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102100231312098 and 102100231312107.

It is not an unprimeable number, because it can be changed into a prime (102100231312151) 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, 68893542655 + ... + 68893544136.

It is an arithmetic number, because the mean of its divisors is an integer number (9645096075440).

Almost surely, 2^{102100231312131} is an apocalyptic number.

102100231312131 is a deficient number, since it is larger than the sum of its proper divisors (52221305894909).

102100231312131 is a wasteful number, since it uses less digits than its factorization.

102100231312131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137787086826.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 102100231312131 its reverse (131213132001201), we get a palindrome (233313363313332).

The spelling of 102100231312131 in words is "one hundred two trillion, one hundred billion, two hundred thirty-one million, three hundred twelve thousand, one hundred thirty-one".