1345530355431 has 8 divisors (see below), whose sum is σ = 1794178454784. Its totient is φ = 896951246520.

The previous prime is 1345530355387. The next prime is 1345530355439.

1345530355431 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1345530355431 - 2¹¹ = 1345530353383 is a prime.

It is a super-2 number, since 2×1345530355431² (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 (1345530355439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17202085 + ... + 17280126.

It is an arithmetic number, because the mean of its divisors is an integer number (224272306848).

Almost surely, 2^{1345530355431} is an apocalyptic number.

1345530355431 is a deficient number, since it is larger than the sum of its proper divisors (448648099353).

1345530355431 is a wasteful number, since it uses less digits than its factorization.

1345530355431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34495221.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 1345530355431 in words is "one trillion, three hundred forty-five billion, five hundred thirty million, three hundred fifty-five thousand, four hundred thirty-one".