3816131 has 18 divisors (see below), whose sum is σ = 4539996. Its totient is φ = 3180600.

The previous prime is 3816107. The next prime is 3816133. The reversal of 3816131 is 1316183.

It is not a de Polignac number, because 3816131 - 2⁶ = 3816067 is a prime.

It is a super-2 number, since 2×3816131² = 29125711618322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3816097 and 3816106.

It is not an unprimeable number, because it can be changed into a prime (3816133) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123086 + ... + 123116.

It is an arithmetic number, because the mean of its divisors is an integer number (252222).

Almost surely, 2^3816131 is an apocalyptic number.

3816131 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3816131 is a deficient number, since it is larger than the sum of its proper divisors (723865).

3816131 is a wasteful number, since it uses less digits than its factorization.

3816131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111 (or 61 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 3816131 is about 1953.4920015193. The cubic root of 3816131 is about 156.2695728014.

The spelling of 3816131 in words is "three million, eight hundred sixteen thousand, one hundred thirty-one".