1345618165431 has 8 divisors (see below), whose sum is σ = 1801664490240. Its totient is φ = 893325308792.

The previous prime is 1345618165403. The next prime is 1345618165439.

1345618165431 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 1345618165431 - 2¹³ = 1345618157239 is a prime.

It is a super-2 number, since 2×1345618165431² (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 (1345618165439) 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, 938366205 + ... + 938367638.

It is an arithmetic number, because the mean of its divisors is an integer number (225208061280).

Almost surely, 2^{1345618165431} is an apocalyptic number.

1345618165431 is a deficient number, since it is larger than the sum of its proper divisors (456046324809).

1345618165431 is a wasteful number, since it uses less digits than its factorization.

1345618165431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876734085.

The product of its digits is 1036800, while the sum is 48.

The spelling of 1345618165431 in words is "one trillion, three hundred forty-five billion, six hundred eighteen million, one hundred sixty-five thousand, four hundred thirty-one".