343402042221300 has 72 divisors (see below), whose sum is σ = 993635862047136. Its totient is φ = 91568413727360.

The previous prime is 343402042221257. The next prime is 343402042221323. The reversal of 343402042221300 is 3122240204343.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29113959 + ... + 39171758.

It is an arithmetic number, because the mean of its divisors is an integer number (13800498083988).

Almost surely, 2^{343402042221300} is an apocalyptic number.

343402042221300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343402042221300 is an abundant number, since it is smaller than the sum of its proper divisors (650233819825836).

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

343402042221300 is a wasteful number, since it uses less digits than its factorization.

343402042221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68302497 (or 68302490 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 343402042221300 its reverse (3122240204343), we get a palindrome (346524282425643).

The spelling of 343402042221300 in words is "three hundred forty-three trillion, four hundred two billion, forty-two million, two hundred twenty-one thousand, three hundred".