31422342343 has 16 divisors (see below), whose sum is σ = 38160984384. Its totient is φ = 25257576960.

The previous prime is 31422342317. The next prime is 31422342349. The reversal of 31422342343 is 34324322413.

It is a happy number.

It is not a de Polignac number, because 31422342343 - 2⁵ = 31422342311 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 (31422342349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443668 + ... + 509593.

It is an arithmetic number, because the mean of its divisors is an integer number (2385061524).

Almost surely, 2^31422342343 is an apocalyptic number.

31422342343 is a deficient number, since it is larger than the sum of its proper divisors (6738642041).

31422342343 is a wasteful number, since it uses less digits than its factorization.

31422342343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953562.

The product of its digits is 41472, while the sum is 31.

Adding to 31422342343 its reverse (34324322413), we get a palindrome (65746664756).

The spelling of 31422342343 in words is "thirty-one billion, four hundred twenty-two million, three hundred forty-two thousand, three hundred forty-three".