1311023314 has 4 divisors (see below), whose sum is σ = 1966534974. Its totient is φ = 655511656.

The previous prime is 1311023309. The next prime is 1311023321. The reversal of 1311023314 is 4133201131.

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., 826275025 + 484748289 = 28745^2 + 22017^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1311023291 and 1311023300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327755827 + ... + 327755830.

Almost surely, 2^1311023314 is an apocalyptic number.

1311023314 is a deficient number, since it is larger than the sum of its proper divisors (655511660).

1311023314 is an equidigital number, since it uses as much as digits as its factorization.

1311023314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655511659.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1311023314 is about 36208.0559268238. The cubic root of 1311023314 is about 1094.4690166221.

Adding to 1311023314 its reverse (4133201131), we get a palindrome (5444224445).

The spelling of 1311023314 in words is "one billion, three hundred eleven million, twenty-three thousand, three hundred fourteen".