1320110131 has 12 divisors (see below), whose sum is σ = 1371922552. Its totient is φ = 1270188864.

The previous prime is 1320110123. The next prime is 1320110149. The reversal of 1320110131 is 1310110231.

It is not a de Polignac number, because 1320110131 - 2³ = 1320110123 is a prime.

It is a super-2 number, since 2×1320110131² = 3485381515937674322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320119131) 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, 255631 + ... + 260743.

Almost surely, 2^1320110131 is an apocalyptic number.

1320110131 is a deficient number, since it is larger than the sum of its proper divisors (51812421).

1320110131 is an equidigital number, since it uses as much as digits as its factorization.

1320110131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5478 (or 5449 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1320110131 is about 36333.3198455632. The cubic root of 1320110131 is about 1096.9918170740.

Adding to 1320110131 its reverse (1310110231), we get a palindrome (2630220362).

It can be divided in two parts, 13201 and 10131, that added together give a palindrome (23332).

The spelling of 1320110131 in words is "one billion, three hundred twenty million, one hundred ten thousand, one hundred thirty-one".