1345326235431 has 4 divisors (see below), whose sum is σ = 1793768313912. Its totient is φ = 896884156952.

The previous prime is 1345326235403. The next prime is 1345326235433.

1345326235431 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 not a de Polignac number, because 1345326235431 - 2⁶ = 1345326235367 is a prime.

It is a super-2 number, since 2×1345326235431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345326235433) 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, 224221039236 + ... + 224221039241.

It is an arithmetic number, because the mean of its divisors is an integer number (448442078478).

Almost surely, 2^{1345326235431} is an apocalyptic number.

1345326235431 is a deficient number, since it is larger than the sum of its proper divisors (448442078481).

1345326235431 is an equidigital number, since it uses as much as digits as its factorization.

1345326235431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448442078480.

The product of its digits is 777600, while the sum is 42.

The spelling of 1345326235431 in words is "one trillion, three hundred forty-five billion, three hundred twenty-six million, two hundred thirty-five thousand, four hundred thirty-one".