349312581122 has 18 divisors (see below), whose sum is σ = 542697453129. Its totient is φ = 168621958120.

The previous prime is 349312581083. The next prime is 349312581131. The reversal of 349312581122 is 221185213943.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 349104904201 + 207676921 = 590851^2 + 14411^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=417919.

It is a super-2 number, since 2×349312581122² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 349312581122.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24232097 + ... + 24246507.

Almost surely, 2^349312581122 is an apocalyptic number.

349312581122 is a deficient number, since it is larger than the sum of its proper divisors (193384872007).

349312581122 is an frugal number, since it uses more digits than its factorization.

349312581122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28882 (or 14442 counting only the distinct ones).

The product of its digits is 103680, while the sum is 41.

The spelling of 349312581122 in words is "three hundred forty-nine billion, three hundred twelve million, five hundred eighty-one thousand, one hundred twenty-two".