31423033222 has 16 divisors (see below), whose sum is σ = 54261257760. Its totient is φ = 13368714048.

The previous prime is 31423033219. The next prime is 31423033231. The reversal of 31423033222 is 22233032413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8189697 + ... + 8193532.

It is an arithmetic number, because the mean of its divisors is an integer number (3391328610).

Almost surely, 2^31423033222 is an apocalyptic number.

31423033222 is a deficient number, since it is larger than the sum of its proper divisors (22838224538).

31423033222 is a wasteful number, since it uses less digits than its factorization.

31423033222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16383375.

The product of its (nonzero) digits is 5184, while the sum is 25.

Adding to 31423033222 its reverse (22233032413), we get a palindrome (53656065635).

The spelling of 31423033222 in words is "thirty-one billion, four hundred twenty-three million, thirty-three thousand, two hundred twenty-two".