331143122232142 has 16 divisors (see below), whose sum is σ = 573745302691632. Its totient is φ = 141665506837120.

The previous prime is 331143122232121. The next prime is 331143122232173. The reversal of 331143122232142 is 241232221341133.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 331143122232098 and 331143122232107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442704708493 + ... + 442704709240.

It is an arithmetic number, because the mean of its divisors is an integer number (35859081418227).

Almost surely, 2^{331143122232142} is an apocalyptic number.

331143122232142 is a deficient number, since it is larger than the sum of its proper divisors (242602180459490).

331143122232142 is a wasteful number, since it uses less digits than its factorization.

331143122232142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885409417763.

The product of its digits is 41472, while the sum is 34.

Adding to 331143122232142 its reverse (241232221341133), we get a palindrome (572375343573275).

The spelling of 331143122232142 in words is "three hundred thirty-one trillion, one hundred forty-three billion, one hundred twenty-two million, two hundred thirty-two thousand, one hundred forty-two".