1320410331 has 24 divisors (see below), whose sum is σ = 1983643376. Its totient is φ = 845691840.

The previous prime is 1320410327. The next prime is 1320410347. The reversal of 1320410331 is 1330140231.

1320410331 is a `hidden beast` number, since 1 + 320 + 4 + 10 + 331 = 666.

It is not a de Polignac number, because 1320410331 - 2² = 1320410327 is a prime.

It is a super-2 number, since 2×1320410331² = 3486966884423059122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320410431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4360 + ... + 51573.

Almost surely, 2^1320410331 is an apocalyptic number.

1320410331 is a deficient number, since it is larger than the sum of its proper divisors (663233045).

1320410331 is a wasteful number, since it uses less digits than its factorization.

1320410331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56043 (or 56040 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1320410331 is about 36337.4508049203. The cubic root of 1320410331 is about 1097.0749646782.

Adding to 1320410331 its reverse (1330140231), we get a palindrome (2650550562).

The spelling of 1320410331 in words is "one billion, three hundred twenty million, four hundred ten thousand, three hundred thirty-one".