331301022142 has 4 divisors (see below), whose sum is σ = 496951533216. Its totient is φ = 165650511070.

The previous prime is 331301022139. The next prime is 331301022161. The reversal of 331301022142 is 241220103133.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82825255534 + ... + 82825255537.

It is an arithmetic number, because the mean of its divisors is an integer number (124237883304).

Almost surely, 2^331301022142 is an apocalyptic number.

331301022142 is a deficient number, since it is larger than the sum of its proper divisors (165650511074).

331301022142 is a wasteful number, since it uses less digits than its factorization.

331301022142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165650511073.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 331301022142 its reverse (241220103133), we get a palindrome (572521125275).

The spelling of 331301022142 in words is "three hundred thirty-one billion, three hundred one million, twenty-two thousand, one hundred forty-two".