100057731 has 16 divisors (see below), whose sum is σ = 138443424. Its totient is φ = 64226304.

The previous prime is 100057729. The next prime is 100057777. The reversal of 100057731 is 137750001.

It is not a de Polignac number, because 100057731 - 2¹ = 100057729 is a prime.

It is a super-2 number, since 2×100057731² = 20023099065736722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100055731) 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, 6121 + ... + 15413.

It is an arithmetic number, because the mean of its divisors is an integer number (8652714).

Almost surely, 2^100057731 is an apocalyptic number.

100057731 is a deficient number, since it is larger than the sum of its proper divisors (38385693).

100057731 is an equidigital number, since it uses as much as digits as its factorization.

100057731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9430.

The product of its (nonzero) digits is 735, while the sum is 24.

The square root of 100057731 is about 10002.8861335117. The cubic root of 100057731 is about 464.2481873664.

The spelling of 100057731 in words is "one hundred million, fifty-seven thousand, seven hundred thirty-one".