1314215293 has 4 divisors (see below), whose sum is σ = 1335759868. Its totient is φ = 1292670720.

The previous prime is 1314215291. The next prime is 1314215341. The reversal of 1314215293 is 3925124131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 440244324 + 873970969 = 20982^2 + 29563^2 .

It is a cyclic number.

It is not a de Polignac number, because 1314215293 - 2¹ = 1314215291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1314215291) 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, 10772196 + ... + 10772317.

It is an arithmetic number, because the mean of its divisors is an integer number (333939967).

Almost surely, 2^1314215293 is an apocalyptic number.

It is an amenable number.

1314215293 is a deficient number, since it is larger than the sum of its proper divisors (21544575).

1314215293 is an equidigital number, since it uses as much as digits as its factorization.

1314215293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21544574.

The product of its digits is 6480, while the sum is 31.

The square root of 1314215293 is about 36252.1074283965. The cubic root of 1314215293 is about 1095.3565397895.

The spelling of 1314215293 in words is "one billion, three hundred fourteen million, two hundred fifteen thousand, two hundred ninety-three".