100525280531 has 8 divisors (see below), whose sum is σ = 108559553760. Its totient is φ = 92534087232.

The previous prime is 100525280519. The next prime is 100525280539. The reversal of 100525280531 is 135082525001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100525280531 is a prime.

It is a super-2 number, since 2×100525280531² (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 (100525280539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10765130 + ... + 10774463.

It is an arithmetic number, because the mean of its divisors is an integer number (13569944220).

Almost surely, 2^100525280531 is an apocalyptic number.

100525280531 is a deficient number, since it is larger than the sum of its proper divisors (8034273229).

100525280531 is a wasteful number, since it uses less digits than its factorization.

100525280531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21539965.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 100525280531 in words is "one hundred billion, five hundred twenty-five million, two hundred eighty thousand, five hundred thirty-one".