1231514314 has 4 divisors (see below), whose sum is σ = 1847271474. Its totient is φ = 615757156.

The previous prime is 1231514309. The next prime is 1231514321. The reversal of 1231514314 is 4134151321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 966899025 + 264615289 = 31095^2 + 16267^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307878577 + ... + 307878580.

Almost surely, 2^1231514314 is an apocalyptic number.

1231514314 is a deficient number, since it is larger than the sum of its proper divisors (615757160).

1231514314 is an equidigital number, since it uses as much as digits as its factorization.

1231514314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615757159.

The product of its digits is 1440, while the sum is 25.

The square root of 1231514314 is about 35092.9382354912. The cubic root of 1231514314 is about 1071.8807908625.

Adding to 1231514314 its reverse (4134151321), we get a palindrome (5365665635).

The spelling of 1231514314 in words is "one billion, two hundred thirty-one million, five hundred fourteen thousand, three hundred fourteen".