331010140 has 24 divisors (see below), whose sum is σ = 713909952. Its totient is φ = 128825280.

The previous prime is 331010137. The next prime is 331010159. The reversal of 331010140 is 41010133.

It is a self number, because there is not a number n which added to its sum of digits gives 331010140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222916 + ... + 224395.

It is an arithmetic number, because the mean of its divisors is an integer number (29746248).

Almost surely, 2^331010140 is an apocalyptic number.

It is an amenable number.

331010140 is an abundant number, since it is smaller than the sum of its proper divisors (382899812).

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

331010140 is a wasteful number, since it uses less digits than its factorization.

331010140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447357 (or 447355 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 331010140 is about 18193.6840689290. The cubic root of 331010140 is about 691.7467052746.

Adding to 331010140 its reverse (41010133), we get a palindrome (372020273).

The spelling of 331010140 in words is "three hundred thirty-one million, ten thousand, one hundred forty".