1314520331 has 4 divisors (see below), whose sum is σ = 1321864200. Its totient is φ = 1307176464.

The previous prime is 1314520327. The next prime is 1314520379. The reversal of 1314520331 is 1330254131.

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

It is a cyclic number.

It is not a de Polignac number, because 1314520331 - 2² = 1314520327 is a prime.

It is a super-2 number, since 2×1314520331² = 3455927401224699122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1314520297 and 1314520306.

It is not an unprimeable number, because it can be changed into a prime (1314526331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3671666 + ... + 3672023.

It is an arithmetic number, because the mean of its divisors is an integer number (330466050).

Almost surely, 2^1314520331 is an apocalyptic number.

1314520331 is a deficient number, since it is larger than the sum of its proper divisors (7343869).

1314520331 is an equidigital number, since it uses as much as digits as its factorization.

1314520331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7343868.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1314520331 is about 36256.3143603980. The cubic root of 1314520331 is about 1095.4412797157.

Adding to 1314520331 its reverse (1330254131), we get a palindrome (2644774462).

The spelling of 1314520331 in words is "one billion, three hundred fourteen million, five hundred twenty thousand, three hundred thirty-one".