345213381015 has 24 divisors (see below), whose sum is σ = 598457862288. Its totient is φ = 184086725760.

The previous prime is 345213380987. The next prime is 345213381017. The reversal of 345213381015 is 510183312543.

It is not a de Polignac number, because 345213381015 - 2¹⁵ = 345213348247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345213381017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252849 + ... + 868538.

It is an arithmetic number, because the mean of its divisors is an integer number (24935744262).

Almost surely, 2^345213381015 is an apocalyptic number.

345213381015 is a deficient number, since it is larger than the sum of its proper divisors (253244481273).

345213381015 is a wasteful number, since it uses less digits than its factorization.

345213381015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128239 (or 1128236 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

Adding to 345213381015 its reverse (510183312543), we get a palindrome (855396693558).

The spelling of 345213381015 in words is "three hundred forty-five billion, two hundred thirteen million, three hundred eighty-one thousand, fifteen".