3812831361 has 12 divisors (see below), whose sum is σ = 5517212688. Its totient is φ = 2537369304.

The previous prime is 3812831359. The next prime is 3812831369. The reversal of 3812831361 is 1631382183.

It is not a de Polignac number, because 3812831361 - 2¹ = 3812831359 is a prime.

It is a super-2 number, since 2×3812831361² = 29075365974850224642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3812831369) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 371175 + ... + 381308.

It is an arithmetic number, because the mean of its divisors is an integer number (459767724).

Almost surely, 2^3812831361 is an apocalyptic number.

It is an amenable number.

3812831361 is a deficient number, since it is larger than the sum of its proper divisors (1704381327).

3812831361 is a wasteful number, since it uses less digits than its factorization.

3812831361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753052 (or 753049 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 3812831361 is about 61748.1284007864. The cubic root of 3812831361 is about 1562.2452002735.

The spelling of 3812831361 in words is "three billion, eight hundred twelve million, eight hundred thirty-one thousand, three hundred sixty-one".