37812131 has 16 divisors (see below), whose sum is σ = 46514880. Its totient is φ = 29998080.

The previous prime is 37812121. The next prime is 37812133. The reversal of 37812131 is 13121873.

37812131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 37812131 - 2⁶ = 37812067 is a prime.

It is a super-2 number, since 2×37812131² = 2859514501522322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 37812131.

It is not an unprimeable number, because it can be changed into a prime (37812133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4655 + ... + 9863.

It is an arithmetic number, because the mean of its divisors is an integer number (2907180).

Almost surely, 2^37812131 is an apocalyptic number.

37812131 is a deficient number, since it is larger than the sum of its proper divisors (8702749).

37812131 is a wasteful number, since it uses less digits than its factorization.

37812131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5294.

The product of its digits is 1008, while the sum is 26.

The square root of 37812131 is about 6149.1569340845. The cubic root of 37812131 is about 335.6425804130.

The spelling of 37812131 in words is "thirty-seven million, eight hundred twelve thousand, one hundred thirty-one".