1345316135431 has 4 divisors (see below), whose sum is σ = 1345324328712. Its totient is φ = 1345307942152.

The previous prime is 1345316135407. The next prime is 1345316135479.

1345316135431 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345316135431 is a prime.

It is a super-2 number, since 2×1345316135431² (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 (1345316132431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3845200 + ... + 4180453.

It is an arithmetic number, because the mean of its divisors is an integer number (336331082178).

Almost surely, 2^{1345316135431} is an apocalyptic number.

1345316135431 is a deficient number, since it is larger than the sum of its proper divisors (8193281).

1345316135431 is an equidigital number, since it uses as much as digits as its factorization.

1345316135431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8193280.

The product of its digits is 194400, while the sum is 40.

The spelling of 1345316135431 in words is "one trillion, three hundred forty-five billion, three hundred sixteen million, one hundred thirty-five thousand, four hundred thirty-one".