331944102 has 32 divisors (see below), whose sum is σ = 843033600. Its totient is φ = 94841064.

The previous prime is 331944083. The next prime is 331944103. The reversal of 331944102 is 201449133.

It is a super-2 number, since 2×331944102² = 220373773705172808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331944103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438702 + ... + 439457.

It is an arithmetic number, because the mean of its divisors is an integer number (26344800).

Almost surely, 2^331944102 is an apocalyptic number.

331944102 is an abundant number, since it is smaller than the sum of its proper divisors (511089498).

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

331944102 is a wasteful number, since it uses less digits than its factorization.

331944102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878177 (or 878171 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 331944102 is about 18219.3331930672. Note that the first 3 decimals coincide. The cubic root of 331944102 is about 692.3966938739.

The spelling of 331944102 in words is "three hundred thirty-one million, nine hundred forty-four thousand, one hundred two".