331100412 has 24 divisors (see below), whose sum is σ = 772867200. Its totient is φ = 110324016.

The previous prime is 331100411. The next prime is 331100437. The reversal of 331100412 is 214001133.

It is a junction number, because it is equal to n+sod(n) for n = 331100391 and 331100400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331100411) 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, 48889 + ... + 55247.

It is an arithmetic number, because the mean of its divisors is an integer number (32202800).

Almost surely, 2^331100412 is an apocalyptic number.

It is an amenable number.

331100412 is an abundant number, since it is smaller than the sum of its proper divisors (441766788).

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

331100412 is a wasteful number, since it uses less digits than its factorization.

331100412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10705 (or 10703 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 331100412 is about 18196.1647607401. The cubic root of 331100412 is about 691.8095831900.

Adding to 331100412 its reverse (214001133), we get a palindrome (545101545).

The spelling of 331100412 in words is "three hundred thirty-one million, one hundred thousand, four hundred twelve".