1308297131 has 4 divisors (see below), whose sum is σ = 1318284264. Its totient is φ = 1298310000.

The previous prime is 1308297113. The next prime is 1308297143. The reversal of 1308297131 is 1317928031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1308297131 - 2¹⁰ = 1308296107 is a prime.

It is a super-2 number, since 2×1308297131² = 3423282765965662322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1308297091 and 1308297100.

It is not an unprimeable number, because it can be changed into a prime (1308297181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4993370 + ... + 4993631.

It is an arithmetic number, because the mean of its divisors is an integer number (329571066).

Almost surely, 2^1308297131 is an apocalyptic number.

1308297131 is a deficient number, since it is larger than the sum of its proper divisors (9987133).

1308297131 is an equidigital number, since it uses as much as digits as its factorization.

1308297131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9987132.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 1308297131 is about 36170.3902522491. The cubic root of 1308297131 is about 1093.7098657774.

The spelling of 1308297131 in words is "one billion, three hundred eight million, two hundred ninety-seven thousand, one hundred thirty-one".