1319339131 has 4 divisors (see below), whose sum is σ = 1439279064. Its totient is φ = 1199399200.

The previous prime is 1319339129. The next prime is 1319339183.

1319339131 is nontrivially palindromic in base 10.

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 1319339131 - 2¹ = 1319339129 is a prime.

It is a super-2 number, since 2×1319339131² = 3481311485175670322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1319339191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59969950 + ... + 59969971.

It is an arithmetic number, because the mean of its divisors is an integer number (359819766).

Almost surely, 2^1319339131 is an apocalyptic number.

1319339131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1319339131 is a deficient number, since it is larger than the sum of its proper divisors (119939933).

1319339131 is a wasteful number, since it uses less digits than its factorization.

1319339131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119939932.

The product of its digits is 6561, while the sum is 34.

The square root of 1319339131 is about 36322.7082002430. The cubic root of 1319339131 is about 1096.7782123194.

The spelling of 1319339131 in words is "one billion, three hundred nineteen million, three hundred thirty-nine thousand, one hundred thirty-one".