100000131012321 has 32 divisors (see below), whose sum is σ = 136617210014208. Its totient is φ = 65029117628160.

The previous prime is 100000131012319. The next prime is 100000131012329. The reversal of 100000131012321 is 123210131000001.

It is a happy number.

It is not a de Polignac number, because 100000131012321 - 2¹ = 100000131012319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100000131012321.

It is not an unprimeable number, because it can be changed into a prime (100000131012329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 295770850 + ... + 296108756.

It is an arithmetic number, because the mean of its divisors is an integer number (4269287812944).

Almost surely, 2^{100000131012321} is an apocalyptic number.

It is an amenable number.

100000131012321 is a deficient number, since it is larger than the sum of its proper divisors (36617079001887).

100000131012321 is a wasteful number, since it uses less digits than its factorization.

100000131012321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341021.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 100000131012321 its reverse (123210131000001), we get a palindrome (223210262012322).

The spelling of 100000131012321 in words is "one hundred trillion, one hundred thirty-one million, twelve thousand, three hundred twenty-one".