331412340 has 48 divisors (see below), whose sum is σ = 1060520832. Its totient is φ = 75751296.

The previous prime is 331412327. The next prime is 331412353. The reversal of 331412340 is 43214133.

It is an interprime number because it is at equal distance from previous prime (331412327) and next prime (331412353).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394119 + ... + 394958.

It is an arithmetic number, because the mean of its divisors is an integer number (22094184).

Almost surely, 2^331412340 is an apocalyptic number.

331412340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

331412340 is an abundant number, since it is smaller than the sum of its proper divisors (729108492).

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

331412340 is a wasteful number, since it uses less digits than its factorization.

331412340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789096 (or 789094 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 331412340 is about 18204.7339997046. The cubic root of 331412340 is about 692.0267650890.

Adding to 331412340 its reverse (43214133), we get a palindrome (374626473).

The spelling of 331412340 in words is "three hundred thirty-one million, four hundred twelve thousand, three hundred forty".