31320421413422 has 32 divisors (see below), whose sum is σ = 47467747008000. Its totient is φ = 15498532258560.

The previous prime is 31320421413409. The next prime is 31320421413431. The reversal of 31320421413422 is 22431412402313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185955998 + ... + 186124350.

It is an arithmetic number, because the mean of its divisors is an integer number (1483367094000).

Almost surely, 2^{31320421413422} is an apocalyptic number.

31320421413422 is a deficient number, since it is larger than the sum of its proper divisors (16147325594578).

31320421413422 is a wasteful number, since it uses less digits than its factorization.

31320421413422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170408.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31320421413422 its reverse (22431412402313), we get a palindrome (53751833815735).

The spelling of 31320421413422 in words is "thirty-one trillion, three hundred twenty billion, four hundred twenty-one million, four hundred thirteen thousand, four hundred twenty-two".