31123022013022 has 32 divisors (see below), whose sum is σ = 49768421582880. Its totient is φ = 14546267504640.

The previous prime is 31123022013011. The next prime is 31123022013037. The reversal of 31123022013022 is 22031022032113.

It is a junction number, because it is equal to n+sod(n) for n = 31123022012984 and 31123022013002.

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, 1444153 + ... + 8020699.

It is an arithmetic number, because the mean of its divisors is an integer number (1555263174465).

Almost surely, 2^{31123022013022} is an apocalyptic number.

31123022013022 is a deficient number, since it is larger than the sum of its proper divisors (18645399569858).

31123022013022 is a wasteful number, since it uses less digits than its factorization.

31123022013022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6577516.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 31123022013022 its reverse (22031022032113), we get a palindrome (53154044045135).

The spelling of 31123022013022 in words is "thirty-one trillion, one hundred twenty-three billion, twenty-two million, thirteen thousand, twenty-two".