1345018037431 has 2 divisors, whose sum is σ = 1345018037432. Its totient is φ = 1345018037430.

The previous prime is 1345018037423. The next prime is 1345018037443. The reversal of 1345018037431 is 1347308105431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345018037431 - 2³ = 1345018037423 is a prime.

It is a super-2 number, since 2×1345018037431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345018037131) 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 as a sum of consecutive naturals, namely, 672509018715 + 672509018716.

It is an arithmetic number, because the mean of its divisors is an integer number (672509018716).

Almost surely, 2^{1345018037431} is an apocalyptic number.

1345018037431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345018037431 is an equidigital number, since it uses as much as digits as its factorization.

1345018037431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 1345018037431 in words is "one trillion, three hundred forty-five billion, eighteen million, thirty-seven thousand, four hundred thirty-one".