1319142311 has 2 divisors, whose sum is σ = 1319142312. Its totient is φ = 1319142310.

The previous prime is 1319142301. The next prime is 1319142367. The reversal of 1319142311 is 1132419131.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1319142311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1319142301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659571155 + 659571156.

It is an arithmetic number, because the mean of its divisors is an integer number (659571156).

Almost surely, 2^1319142311 is an apocalyptic number.

1319142311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319142311 is an equidigital number, since it uses as much as digits as its factorization.

1319142311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 26.

The square root of 1319142311 is about 36319.9987747797. The cubic root of 1319142311 is about 1096.7236702087.

The spelling of 1319142311 in words is "one billion, three hundred nineteen million, one hundred forty-two thousand, three hundred eleven".