331222134 has 16 divisors (see below), whose sum is σ = 663013872. Its totient is φ = 110312448.

The previous prime is 331222109. The next prime is 331222159. The reversal of 331222134 is 431222133.

It is an interprime number because it is at equal distance from previous prime (331222109) and next prime (331222159).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 331222134.

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, 15979 + ... + 30294.

It is an arithmetic number, because the mean of its divisors is an integer number (41438367).

Almost surely, 2^331222134 is an apocalyptic number.

331222134 is an abundant number, since it is smaller than the sum of its proper divisors (331791738).

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

331222134 is a wasteful number, since it uses less digits than its factorization.

331222134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47471.

The product of its digits is 864, while the sum is 21.

The square root of 331222134 is about 18199.5091692056. The cubic root of 331222134 is about 691.8943491462.

Adding to 331222134 its reverse (431222133), we get a palindrome (762444267).

Subtracting 331222134 from its reverse (431222133), we obtain a palindrome (99999999).

The spelling of 331222134 in words is "three hundred thirty-one million, two hundred twenty-two thousand, one hundred thirty-four".