331402113042 has 256 divisors, whose sum is σ = 918825320448. Its totient is φ = 76899041280.

The previous prime is 331402113041. The next prime is 331402113043. The reversal of 331402113042 is 240311204133.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (331402113041) and next prime (331402113043).

It is not an unprimeable number, because it can be changed into a prime (331402113041) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42884983 + ... + 42892709.

It is an arithmetic number, because the mean of its divisors is an integer number (3589161408).

Almost surely, 2^331402113042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331402113042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459412660224).

331402113042 is an abundant number, since it is smaller than the sum of its proper divisors (587423207406).

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

331402113042 is a wasteful number, since it uses less digits than its factorization.

331402113042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 331402113042 its reverse (240311204133), we get a palindrome (571713317175).

It can be divided in two parts, 331402 and 113042, that added together give a palindrome (444444).

The spelling of 331402113042 in words is "three hundred thirty-one billion, four hundred two million, one hundred thirteen thousand, forty-two".