1231915714 has 16 divisors (see below), whose sum is σ = 1889441568. Its totient is φ = 602255232.

The previous prime is 1231915691. The next prime is 1231915733. The reversal of 1231915714 is 4175191321.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1231915714.

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, 22152 + ... + 54355.

It is an arithmetic number, because the mean of its divisors is an integer number (118090098).

Almost surely, 2^1231915714 is an apocalyptic number.

1231915714 is a deficient number, since it is larger than the sum of its proper divisors (657525854).

1231915714 is an equidigital number, since it uses as much as digits as its factorization.

1231915714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76689.

The product of its digits is 7560, while the sum is 34.

The square root of 1231915714 is about 35098.6568688889. The cubic root of 1231915714 is about 1071.9972345523.

The spelling of 1231915714 in words is "one billion, two hundred thirty-one million, nine hundred fifteen thousand, seven hundred fourteen".