331167042 has 80 divisors (see below), whose sum is σ = 761080320. Its totient is φ = 107604288.

The previous prime is 331167013. The next prime is 331167077. The reversal of 331167042 is 240761133.

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

It is a junction number, because it is equal to n+sod(n) for n = 331166997 and 331167015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1484943 + ... + 1485165.

It is an arithmetic number, because the mean of its divisors is an integer number (9513504).

Almost surely, 2^331167042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331167042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380540160).

331167042 is an abundant number, since it is smaller than the sum of its proper divisors (429913278).

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

331167042 is a wasteful number, since it uses less digits than its factorization.

331167042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 331167042 is about 18197.9955489609. The cubic root of 331167042 is about 691.8559862138.

The spelling of 331167042 in words is "three hundred thirty-one million, one hundred sixty-seven thousand, forty-two".