31330323142 has 8 divisors (see below), whose sum is σ = 47000318832. Its totient is φ = 15663550200.

The previous prime is 31330323131. The next prime is 31330323203. The reversal of 31330323142 is 24132303313.

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, 781234 + ... + 820357.

It is an arithmetic number, because the mean of its divisors is an integer number (5875039854).

Almost surely, 2^31330323142 is an apocalyptic number.

31330323142 is a deficient number, since it is larger than the sum of its proper divisors (15669995690).

31330323142 is a wasteful number, since it uses less digits than its factorization.

31330323142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611374.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31330323142 its reverse (24132303313), we get a palindrome (55462626455).

The spelling of 31330323142 in words is "thirty-one billion, three hundred thirty million, three hundred twenty-three thousand, one hundred forty-two".