331444314213402 has 32 divisors (see below), whose sum is σ = 713886897765888. Its totient is φ = 101981889285696.

The previous prime is 331444314213349. The next prime is 331444314213413. The reversal of 331444314213402 is 204312413444133.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 12127978 + ... + 28460085.

It is an arithmetic number, because the mean of its divisors is an integer number (22308965555184).

Almost surely, 2^{331444314213402} is an apocalyptic number.

331444314213402 is an abundant number, since it is smaller than the sum of its proper divisors (382442583552486).

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

331444314213402 is a wasteful number, since it uses less digits than its factorization.

331444314213402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40692774.

The product of its (nonzero) digits is 331776, while the sum is 39.

Adding to 331444314213402 its reverse (204312413444133), we get a palindrome (535756727657535).

The spelling of 331444314213402 in words is "three hundred thirty-one trillion, four hundred forty-four billion, three hundred fourteen million, two hundred thirteen thousand, four hundred two".