386023131 has 32 divisors (see below), whose sum is σ = 652115520. Its totient is φ = 223575552.

The previous prime is 386023103. The next prime is 386023139. The reversal of 386023131 is 131320683.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-386023131 is a prime.

It is a super-2 number, since 2×386023131² = 298027715334086322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 386023095 and 386023104.

It is not an unprimeable number, because it can be changed into a prime (386023139) 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, 26380 + ... + 38313.

It is an arithmetic number, because the mean of its divisors is an integer number (20378610).

Almost surely, 2^386023131 is an apocalyptic number.

386023131 is a deficient number, since it is larger than the sum of its proper divisors (266092389).

386023131 is a wasteful number, since it uses less digits than its factorization.

386023131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64732 (or 64726 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 386023131 is about 19647.4713640204. The cubic root of 386023131 is about 728.1224856047.

The spelling of 386023131 in words is "three hundred eighty-six million, twenty-three thousand, one hundred thirty-one".