331271701142 has 4 divisors (see below), whose sum is σ = 496907551716. Its totient is φ = 165635850570.

The previous prime is 331271701141. The next prime is 331271701147. The reversal of 331271701142 is 241107172133.

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

It is a junction number, because it is equal to n+sod(n) for n = 331271701099 and 331271701108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331271701141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82817925284 + ... + 82817925287.

It is an arithmetic number, because the mean of its divisors is an integer number (124226887929).

Almost surely, 2^331271701142 is an apocalyptic number.

331271701142 is a deficient number, since it is larger than the sum of its proper divisors (165635850574).

331271701142 is a wasteful number, since it uses less digits than its factorization.

331271701142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165635850573.

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 331271701142 its reverse (241107172133), we get a palindrome (572378873275).

The spelling of 331271701142 in words is "three hundred thirty-one billion, two hundred seventy-one million, seven hundred one thousand, one hundred forty-two".