1345522255431 has 16 divisors (see below), whose sum is σ = 1851775872000. Its totient is φ = 868385393568.

The previous prime is 1345522255411. The next prime is 1345522255477.

1345522255431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1345522255431 - 2⁶ = 1345522255367 is a prime.

It is a super-2 number, since 2×1345522255431² (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 (1345522255411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30434751 + ... + 30478928.

It is an arithmetic number, because the mean of its divisors is an integer number (115735992000).

Almost surely, 2^{1345522255431} is an apocalyptic number.

1345522255431 is a deficient number, since it is larger than the sum of its proper divisors (506253616569).

1345522255431 is a wasteful number, since it uses less digits than its factorization.

1345522255431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60913918.

The product of its digits is 720000, while the sum is 42.

The spelling of 1345522255431 in words is "one trillion, three hundred forty-five billion, five hundred twenty-two million, two hundred fifty-five thousand, four hundred thirty-one".