1308087131 has 8 divisors (see below), whose sum is σ = 1410895584. Its totient is φ = 1205591040.

The previous prime is 1308087107. The next prime is 1308087203. The reversal of 1308087131 is 1317808031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1308087131 is a prime.

It is a super-2 number, since 2×1308087131² = 3422183884575622322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1308087101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69350 + ... + 86171.

It is an arithmetic number, because the mean of its divisors is an integer number (176361948).

Almost surely, 2^1308087131 is an apocalyptic number.

1308087131 is a deficient number, since it is larger than the sum of its proper divisors (102808453).

1308087131 is a wasteful number, since it uses less digits than its factorization.

1308087131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156181.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 1308087131 is about 36167.4872088178. The cubic root of 1308087131 is about 1093.6513440659.

The spelling of 1308087131 in words is "one billion, three hundred eight million, eighty-seven thousand, one hundred thirty-one".