331387102 has 8 divisors (see below), whose sum is σ = 498778056. Its totient is φ = 165127752.

The previous prime is 331387099. The next prime is 331387109. The reversal of 331387102 is 201783133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×331387102² = 219634822743916808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331387109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282168 + ... + 283339.

It is an arithmetic number, because the mean of its divisors is an integer number (62347257).

Almost surely, 2^331387102 is an apocalyptic number.

331387102 is a deficient number, since it is larger than the sum of its proper divisors (167390954).

331387102 is a wasteful number, since it uses less digits than its factorization.

331387102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565802.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 331387102 is about 18204.0408151597. The cubic root of 331387102 is about 692.0091980356.

The spelling of 331387102 in words is "three hundred thirty-one million, three hundred eighty-seven thousand, one hundred two".