331122002 has 4 divisors (see below), whose sum is σ = 496683006. Its totient is φ = 165561000.

The previous prime is 331121981. The next prime is 331122023. The reversal of 331122002 is 200221133.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (331121981) and next prime (331122023).

It can be written as a sum of positive squares in only one way, i.e., 223771681 + 107350321 = 14959^2 + 10361^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82780499 + ... + 82780502.

Almost surely, 2^331122002 is an apocalyptic number.

331122002 is a deficient number, since it is larger than the sum of its proper divisors (165561004).

331122002 is a wasteful number, since it uses less digits than its factorization.

331122002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165561003.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 331122002 is about 18196.7580079530. The cubic root of 331122002 is about 691.8246197607.

Adding to 331122002 its reverse (200221133), we get a palindrome (531343135).

The spelling of 331122002 in words is "three hundred thirty-one million, one hundred twenty-two thousand, two".