1342994831 has 2 divisors, whose sum is σ = 1342994832. Its totient is φ = 1342994830.

The previous prime is 1342994801. The next prime is 1342994867. The reversal of 1342994831 is 1384992431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1342994831 - 2⁶ = 1342994767 is a prime.

It is a super-2 number, since 2×1342994831² = 3607270232185437122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342994801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671497415 + 671497416.

It is an arithmetic number, because the mean of its divisors is an integer number (671497416).

Almost surely, 2^1342994831 is an apocalyptic number.

1342994831 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342994831 is an equidigital number, since it uses as much as digits as its factorization.

1342994831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 1342994831 is about 36646.8938792908. The cubic root of 1342994831 is about 1103.2944843727.

The spelling of 1342994831 in words is "one billion, three hundred forty-two million, nine hundred ninety-four thousand, eight hundred thirty-one".