1312353501 has 16 divisors (see below), whose sum is σ = 1812720000. Its totient is φ = 843530688.

The previous prime is 1312353491. The next prime is 1312353509. The reversal of 1312353501 is 1053532131.

It is not a de Polignac number, because 1312353501 - 2¹⁸ = 1312091357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312353509) 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, 52875 + ... + 73623.

It is an arithmetic number, because the mean of its divisors is an integer number (113295000).

Almost surely, 2^1312353501 is an apocalyptic number.

It is an amenable number.

1312353501 is a deficient number, since it is larger than the sum of its proper divisors (500366499).

1312353501 is a wasteful number, since it uses less digits than its factorization.

1312353501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21508.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 1312353501 is about 36226.4199307632. The cubic root of 1312353501 is about 1094.8390472547.

Adding to 1312353501 its reverse (1053532131), we get a palindrome (2365885632).

The spelling of 1312353501 in words is "one billion, three hundred twelve million, three hundred fifty-three thousand, five hundred one".