100189274731 has 16 divisors (see below), whose sum is σ = 123346641600. Its totient is φ = 79247000448.

The previous prime is 100189274723. The next prime is 100189274741. The reversal of 100189274731 is 137472981001.

It is not a de Polignac number, because 100189274731 - 2³ = 100189274723 is a prime.

It is a super-2 number, since 2×100189274731² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100189274741) 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, 145965 + ... + 470833.

It is an arithmetic number, because the mean of its divisors is an integer number (7709165100).

Almost surely, 2^100189274731 is an apocalyptic number.

100189274731 is a deficient number, since it is larger than the sum of its proper divisors (23157366869).

100189274731 is a wasteful number, since it uses less digits than its factorization.

100189274731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328278.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 100189274731 in words is "one hundred billion, one hundred eighty-nine million, two hundred seventy-four thousand, seven hundred thirty-one".