345510422211320 has 32 divisors (see below), whose sum is σ = 778182908641920. Its totient is φ = 138064709566080.

The previous prime is 345510422211299. The next prime is 345510422211341. The reversal of 345510422211320 is 23112224015543.

It is an interprime number because it is at equal distance from previous prime (345510422211299) and next prime (345510422211341).

It is a super-2 number, since 2×345510422211320² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4358063567 + ... + 4358142846.

It is an arithmetic number, because the mean of its divisors is an integer number (24318215895060).

Almost surely, 2^{345510422211320} is an apocalyptic number.

It is an amenable number.

345510422211320 is an abundant number, since it is smaller than the sum of its proper divisors (432672486430600).

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

345510422211320 is a wasteful number, since it uses less digits than its factorization.

345510422211320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8716207415 (or 8716207411 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 345510422211320 its reverse (23112224015543), we get a palindrome (368622646226863).

The spelling of 345510422211320 in words is "three hundred forty-five trillion, five hundred ten billion, four hundred twenty-two million, two hundred eleven thousand, three hundred twenty".