31034340142 has 16 divisors (see below), whose sum is σ = 50384325600. Its totient is φ = 14251561632.

The previous prime is 31034340121. The next prime is 31034340143. The reversal of 31034340142 is 24104343013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31034340143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2993893 + ... + 3004240.

It is an arithmetic number, because the mean of its divisors is an integer number (3149020350).

Almost surely, 2^31034340142 is an apocalyptic number.

31034340142 is a deficient number, since it is larger than the sum of its proper divisors (19349985458).

31034340142 is a wasteful number, since it uses less digits than its factorization.

31034340142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998347.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 31034340142 its reverse (24104343013), we get a palindrome (55138683155).

The spelling of 31034340142 in words is "thirty-one billion, thirty-four million, three hundred forty thousand, one hundred forty-two".