331374630 has 64 divisors (see below), whose sum is σ = 849749760. Its totient is φ = 82456704.

The previous prime is 331374629. The next prime is 331374661. The reversal of 331374630 is 36473133.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33852 + ... + 42528.

It is an arithmetic number, because the mean of its divisors is an integer number (13277340).

Almost surely, 2^331374630 is an apocalyptic number.

331374630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 331374630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424874880).

331374630 is an abundant number, since it is smaller than the sum of its proper divisors (518375130).

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

331374630 is a wasteful number, since it uses less digits than its factorization.

331374630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8773.

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 331374630 is about 18203.6982506303. The cubic root of 331374630 is about 692.0005164998. Note that the first 3 decimals are identical.

The spelling of 331374630 in words is "three hundred thirty-one million, three hundred seventy-four thousand, six hundred thirty".