331434460 has 24 divisors (see below), whose sum is σ = 795443040. Its totient is φ = 113634624.

The previous prime is 331434457. The next prime is 331434463. The reversal of 331434460 is 64434133.

It is an interprime number because it is at equal distance from previous prime (331434457) and next prime (331434463).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331434463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1183555 + ... + 1183834.

It is an arithmetic number, because the mean of its divisors is an integer number (33143460).

Almost surely, 2^331434460 is an apocalyptic number.

It is an amenable number.

331434460 is an abundant number, since it is smaller than the sum of its proper divisors (464008580).

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

331434460 is a wasteful number, since it uses less digits than its factorization.

331434460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367405 (or 2367403 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 331434460 is about 18205.3415238495. The cubic root of 331434460 is about 692.0421611075.

Adding to 331434460 its reverse (64434133), we get a palindrome (395868593).

The spelling of 331434460 in words is "three hundred thirty-one million, four hundred thirty-four thousand, four hundred sixty".