31342330042 has 32 divisors (see below), whose sum is σ = 50751233280. Its totient is φ = 14469995520.

The previous prime is 31342330031. The next prime is 31342330067. The reversal of 31342330042 is 24003324313.

It is a junction number, because it is equal to n+sod(n) for n = 31342329989 and 31342330016.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 394018 + ... + 466834.

It is an arithmetic number, because the mean of its divisors is an integer number (1585976040).

Almost surely, 2^31342330042 is an apocalyptic number.

31342330042 is a deficient number, since it is larger than the sum of its proper divisors (19408903238).

31342330042 is a wasteful number, since it uses less digits than its factorization.

31342330042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73126.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 31342330042 its reverse (24003324313), we get a palindrome (55345654355).

The spelling of 31342330042 in words is "thirty-one billion, three hundred forty-two million, three hundred thirty thousand, forty-two".