345186484631 has 2 divisors, whose sum is σ = 345186484632. Its totient is φ = 345186484630.

The previous prime is 345186484589. The next prime is 345186484639. The reversal of 345186484631 is 136484681543.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345186484631 - 2³⁸ = 70308577687 is a prime.

It is a super-2 number, since 2×345186484631² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345186484639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172593242315 + 172593242316.

It is an arithmetic number, because the mean of its divisors is an integer number (172593242316).

Almost surely, 2^345186484631 is an apocalyptic number.

345186484631 is a deficient number, since it is larger than the sum of its proper divisors (1).

345186484631 is an equidigital number, since it uses as much as digits as its factorization.

345186484631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6635520, while the sum is 53.

The spelling of 345186484631 in words is "three hundred forty-five billion, one hundred eighty-six million, four hundred eighty-four thousand, six hundred thirty-one".