31422302121342 has 64 divisors (see below), whose sum is σ = 71539531236864. Its totient is φ = 9107785146240.

The previous prime is 31422302121299. The next prime is 31422302121389. The reversal of 31422302121342 is 24312120322413.

It is a happy number.

It is a super-2 number, since 2×31422302121342² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183587908 + ... + 183758984.

It is an arithmetic number, because the mean of its divisors is an integer number (1117805175576).

Almost surely, 2^{31422302121342} is an apocalyptic number.

31422302121342 is an abundant number, since it is smaller than the sum of its proper divisors (40117229115522).

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

31422302121342 is a wasteful number, since it uses less digits than its factorization.

31422302121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292113.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 31422302121342 its reverse (24312120322413), we get a palindrome (55734422443755).

The spelling of 31422302121342 in words is "thirty-one trillion, four hundred twenty-two billion, three hundred two million, one hundred twenty-one thousand, three hundred forty-two".