1308131 has 12 divisors (see below), whose sum is σ = 1516200. Its totient is φ = 1124640.

The previous prime is 1308121. The next prime is 1308137. The reversal of 1308131 is 1318031.

It is not a de Polignac number, because 1308131 - 2¹⁰ = 1307107 is a prime.

It is a super-2 number, since 2×1308131² = 3422413426322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1308137) 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, 2015 + ... + 2583.

It is an arithmetic number, because the mean of its divisors is an integer number (126350).

2^1308131 is an apocalyptic number.

1308131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1308131 is a deficient number, since it is larger than the sum of its proper divisors (208069).

1308131 is a wasteful number, since it uses less digits than its factorization.

1308131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 1308131 is about 1143.7355463568. The cubic root of 1308131 is about 109.3663569769.

The spelling of 1308131 in words is "one million, three hundred eight thousand, one hundred thirty-one".