331400122 has 4 divisors (see below), whose sum is σ = 497100186. Its totient is φ = 165700060.

The previous prime is 331400101. The next prime is 331400141. The reversal of 331400122 is 221004133.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 322525681 + 8874441 = 17959^2 + 2979^2 .

It is a super-2 number, since 2×331400122² = 219652081723229768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331400096 and 331400105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82850029 + ... + 82850032.

Almost surely, 2^331400122 is an apocalyptic number.

331400122 is a deficient number, since it is larger than the sum of its proper divisors (165700064).

331400122 is a wasteful number, since it uses less digits than its factorization.

331400122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165700063.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 331400122 is about 18204.3984245566. The cubic root of 331400122 is about 692.0182607920.

Adding to 331400122 its reverse (221004133), we get a palindrome (552404255).

The spelling of 331400122 in words is "three hundred thirty-one million, four hundred thousand, one hundred twenty-two".