1312352503 has 32 divisors (see below), whose sum is σ = 1664040960. Its totient is φ = 1005320160.

The previous prime is 1312352501. The next prime is 1312352527. The reversal of 1312352503 is 3052532131.

It is a cyclic number.

It is not a de Polignac number, because 1312352503 - 2¹ = 1312352501 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 (1312352501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2694526 + ... + 2695012.

It is an arithmetic number, because the mean of its divisors is an integer number (52001280).

Almost surely, 2^1312352503 is an apocalyptic number.

1312352503 is a deficient number, since it is larger than the sum of its proper divisors (351688457).

1312352503 is a wasteful number, since it uses less digits than its factorization.

1312352503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1312352503 is about 36226.4061562833. The cubic root of 1312352503 is about 1094.8387697254.

Adding to 1312352503 its reverse (3052532131), we get a palindrome (4364884634).

The spelling of 1312352503 in words is "one billion, three hundred twelve million, three hundred fifty-two thousand, five hundred three".