100315131 has 16 divisors (see below), whose sum is σ = 153216000. Its totient is φ = 57189888.

The previous prime is 100315109. The next prime is 100315139. The reversal of 100315131 is 131513001.

It is not a de Polignac number, because 100315131 - 2⁹ = 100314619 is a prime.

It is a super-2 number, since 2×100315131² = 20126251015094322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100315131.

It is not an unprimeable number, because it can be changed into a prime (100315139) 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, 4110 + ... + 14748.

It is an arithmetic number, because the mean of its divisors is an integer number (9576000).

Almost surely, 2^100315131 is an apocalyptic number.

100315131 is a deficient number, since it is larger than the sum of its proper divisors (52900869).

100315131 is a wasteful number, since it uses less digits than its factorization.

100315131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11098.

The product of its (nonzero) digits is 45, while the sum is 15.

The square root of 100315131 is about 10015.7441560775. The cubic root of 100315131 is about 464.6459416054.

Adding to 100315131 its reverse (131513001), we get a palindrome (231828132).

The spelling of 100315131 in words is "one hundred million, three hundred fifteen thousand, one hundred thirty-one".