1313132351 has 4 divisors (see below), whose sum is σ = 1382244600. Its totient is φ = 1244020104.

The previous prime is 1313132347. The next prime is 1313132371. The reversal of 1313132351 is 1532313131.

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 1313132351 - 2² = 1313132347 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 (1313132371) 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, 34556096 + ... + 34556133.

It is an arithmetic number, because the mean of its divisors is an integer number (345561150).

Almost surely, 2^1313132351 is an apocalyptic number.

1313132351 is a deficient number, since it is larger than the sum of its proper divisors (69112249).

1313132351 is an equidigital number, since it uses as much as digits as its factorization.

1313132351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69112248.

The product of its digits is 810, while the sum is 23.

The square root of 1313132351 is about 36237.1680874762. The cubic root of 1313132351 is about 1095.0555912367.

Adding to 1313132351 its reverse (1532313131), we get a palindrome (2845445482).

The spelling of 1313132351 in words is "one billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred fifty-one".