31212103123022 has 16 divisors (see below), whose sum is σ = 47260418934960. Its totient is φ = 15458659227648.

The previous prime is 31212103123013. The next prime is 31212103123043. The reversal of 31212103123022 is 22032130121213.

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, 5117747 + ... + 9413582.

It is an arithmetic number, because the mean of its divisors is an integer number (2953776183435).

Almost surely, 2^{31212103123022} is an apocalyptic number.

31212103123022 is a deficient number, since it is larger than the sum of its proper divisors (16048315811938).

31212103123022 is a wasteful number, since it uses less digits than its factorization.

31212103123022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14541475.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31212103123022 its reverse (22032130121213), we get a palindrome (53244233244235).

The spelling of 31212103123022 in words is "thirty-one trillion, two hundred twelve billion, one hundred three million, one hundred twenty-three thousand, twenty-two".