345213381052 has 36 divisors (see below), whose sum is σ = 620062735656. Its totient is φ = 168166484640.

The previous prime is 345213381047. The next prime is 345213381053. The reversal of 345213381052 is 250183312543.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345213381053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2877427 + ... + 2994997.

Almost surely, 2^345213381052 is an apocalyptic number.

It is an amenable number.

345213381052 is a deficient number, since it is larger than the sum of its proper divisors (274849354604).

345213381052 is a wasteful number, since it uses less digits than its factorization.

345213381052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118058 (or 118013 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 345213381052 its reverse (250183312543), we get a palindrome (595396693595).

The spelling of 345213381052 in words is "three hundred forty-five billion, two hundred thirteen million, three hundred eighty-one thousand, fifty-two".