351340521204 has 12 divisors (see below), whose sum is σ = 819794549504. Its totient is φ = 117113507064.

The previous prime is 351340521179. The next prime is 351340521247. The reversal of 351340521204 is 402125043153.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14639188372 + ... + 14639188395.

Almost surely, 2^351340521204 is an apocalyptic number.

It is an amenable number.

351340521204 is an abundant number, since it is smaller than the sum of its proper divisors (468454028300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

351340521204 is a wasteful number, since it uses less digits than its factorization.

351340521204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29278376774 (or 29278376772 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 351340521204 its reverse (402125043153), we get a palindrome (753465564357).

The spelling of 351340521204 in words is "three hundred fifty-one billion, three hundred forty million, five hundred twenty-one thousand, two hundred four".