31342031142 has 16 divisors (see below), whose sum is σ = 62707775232. Its totient is φ = 10443391560.

The previous prime is 31342031107. The next prime is 31342031143. The reversal of 31342031142 is 24113024313.

It is a happy number.

It is a super-2 number, since 2×31342031142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342031143) 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, 970834 + ... + 1002597.

It is an arithmetic number, because the mean of its divisors is an integer number (3919235952).

Almost surely, 2^31342031142 is an apocalyptic number.

31342031142 is an abundant number, since it is smaller than the sum of its proper divisors (31365744090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31342031142 is a wasteful number, since it uses less digits than its factorization.

31342031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976083.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31342031142 its reverse (24113024313), we get a palindrome (55455055455).

The spelling of 31342031142 in words is "thirty-one billion, three hundred forty-two million, thirty-one thousand, one hundred forty-two".