1312354015303 has 16 divisors (see below), whose sum is σ = 1348469337600. Its totient is φ = 1276494912000.

The previous prime is 1312354015213. The next prime is 1312354015307. The reversal of 1312354015303 is 3035104532131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312354015303 is a prime.

It is a super-2 number, since 2×1312354015303² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312354015307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109640103 + ... + 109652071.

It is an arithmetic number, because the mean of its divisors is an integer number (84279333600).

Almost surely, 2^{1312354015303} is an apocalyptic number.

1312354015303 is a deficient number, since it is larger than the sum of its proper divisors (36115322297).

1312354015303 is a wasteful number, since it uses less digits than its factorization.

1312354015303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22422.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 1312354015303 its reverse (3035104532131), we get a palindrome (4347458547434).

The spelling of 1312354015303 in words is "one trillion, three hundred twelve billion, three hundred fifty-four million, fifteen thousand, three hundred three".