331423142 has 8 divisors (see below), whose sum is σ = 497226600. Its totient is φ = 165680944.

The previous prime is 331423093. The next prime is 331423159. The reversal of 331423142 is 241324133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2234 + ... + 25842.

It is an arithmetic number, because the mean of its divisors is an integer number (62153325).

Almost surely, 2^331423142 is an apocalyptic number.

331423142 is a deficient number, since it is larger than the sum of its proper divisors (165803458).

331423142 is a wasteful number, since it uses less digits than its factorization.

331423142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30630.

The product of its digits is 1728, while the sum is 23.

The square root of 331423142 is about 18205.0306783592. The cubic root of 331423142 is about 692.0342836100.

Adding to 331423142 its reverse (241324133), we get a palindrome (572747275).

Subtracting from 331423142 its reverse (241324133), we obtain a palindrome (90099009).

The spelling of 331423142 in words is "three hundred thirty-one million, four hundred twenty-three thousand, one hundred forty-two".