31213341422 has 16 divisors (see below), whose sum is σ = 48439306800. Its totient is φ = 15067012800.

The previous prime is 31213341421. The next prime is 31213341427. The reversal of 31213341422 is 22414331213.

It is a junction number, because it is equal to n+sod(n) for n = 31213341391 and 31213341400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31213341421) 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, 760154 + ... + 800162.

It is an arithmetic number, because the mean of its divisors is an integer number (3027456675).

Almost surely, 2^31213341422 is an apocalyptic number.

31213341422 is a deficient number, since it is larger than the sum of its proper divisors (17225965378).

31213341422 is a wasteful number, since it uses less digits than its factorization.

31213341422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53491.

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

Adding to 31213341422 its reverse (22414331213), we get a palindrome (53627672635).

The spelling of 31213341422 in words is "thirty-one billion, two hundred thirteen million, three hundred forty-one thousand, four hundred twenty-two".