31342212143 has 8 divisors (see below), whose sum is σ = 34575679440. Its totient is φ = 28172774080.

The previous prime is 31342212089. The next prime is 31342212149. The reversal of 31342212143 is 34121224313.

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

It is not a de Polignac number, because 31342212143 - 2²⁴ = 31325434927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342212149) 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, 16006280 + ... + 16008237.

It is an arithmetic number, because the mean of its divisors is an integer number (4321959930).

Almost surely, 2^31342212143 is an apocalyptic number.

31342212143 is a deficient number, since it is larger than the sum of its proper divisors (3233467297).

31342212143 is a wasteful number, since it uses less digits than its factorization.

31342212143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32014617.

The product of its digits is 3456, while the sum is 26.

Adding to 31342212143 its reverse (34121224313), we get a palindrome (65463436456).

The spelling of 31342212143 in words is "thirty-one billion, three hundred forty-two million, two hundred twelve thousand, one hundred forty-three".