331031122 has 4 divisors (see below), whose sum is σ = 496546686. Its totient is φ = 165515560.

The previous prime is 331031101. The next prime is 331031153. The reversal of 331031122 is 221130133.

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., 197374401 + 133656721 = 14049^2 + 11561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 331031096 and 331031105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82757779 + ... + 82757782.

Almost surely, 2^331031122 is an apocalyptic number.

331031122 is a deficient number, since it is larger than the sum of its proper divisors (165515564).

331031122 is a wasteful number, since it uses less digits than its factorization.

331031122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165515563.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 331031122 is about 18194.2606884699. The cubic root of 331031122 is about 691.7613210632.

Adding to 331031122 its reverse (221130133), we get a palindrome (552161255).

It can be divided in two parts, 33103 and 1122, that added together give a square (34225 = 185²).

The spelling of 331031122 in words is "three hundred thirty-one million, thirty-one thousand, one hundred twenty-two".