1312302142 has 16 divisors (see below), whose sum is σ = 2055371760. Its totient is φ = 627601408.

The previous prime is 1312302139. The next prime is 1312302151. The reversal of 1312302142 is 2412032131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99523 + ... + 111934.

It is an arithmetic number, because the mean of its divisors is an integer number (128460735).

Almost surely, 2^1312302142 is an apocalyptic number.

1312302142 is a deficient number, since it is larger than the sum of its proper divisors (743069618).

1312302142 is a wasteful number, since it uses less digits than its factorization.

1312302142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211595.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1312302142 is about 36225.7110627245. The cubic root of 1312302142 is about 1094.8247648803.

Adding to 1312302142 its reverse (2412032131), we get a palindrome (3724334273).

The spelling of 1312302142 in words is "one billion, three hundred twelve million, three hundred two thousand, one hundred forty-two".