100260531 has 32 divisors (see below), whose sum is σ = 171130880. Its totient is φ = 56827008.

The previous prime is 100260497. The next prime is 100260571. The reversal of 100260531 is 135062001.

It is not a de Polignac number, because 100260531 - 2⁷ = 100260403 is a prime.

It is a super-2 number, since 2×100260531² = 20104348152803922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100260571) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21915 + ... + 26091.

It is an arithmetic number, because the mean of its divisors is an integer number (5347840).

Almost surely, 2^100260531 is an apocalyptic number.

100260531 is a deficient number, since it is larger than the sum of its proper divisors (70870349).

100260531 is a wasteful number, since it uses less digits than its factorization.

100260531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320 (or 4314 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 100260531 is about 10013.0180764842. The cubic root of 100260531 is about 464.5616264002.

The spelling of 100260531 in words is "one hundred million, two hundred sixty thousand, five hundred thirty-one".