31144421422 has 8 divisors (see below), whose sum is σ = 46717554816. Its totient is φ = 15571903152.

The previous prime is 31144421411. The next prime is 31144421461. The reversal of 31144421422 is 22412444113.

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

It is a super-2 number, since 2×31144421422² (a number of 22 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 3 ways as a sum of consecutive naturals, for example, 6003 + ... + 249649.

It is an arithmetic number, because the mean of its divisors is an integer number (5839694352).

Almost surely, 2^31144421422 is an apocalyptic number.

31144421422 is a deficient number, since it is larger than the sum of its proper divisors (15573133394).

31144421422 is a wasteful number, since it uses less digits than its factorization.

31144421422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307562.

The product of its digits is 6144, while the sum is 28.

Adding to 31144421422 its reverse (22412444113), we get a palindrome (53556865535).

The spelling of 31144421422 in words is "thirty-one billion, one hundred forty-four million, four hundred twenty-one thousand, four hundred twenty-two".