31232303122 has 4 divisors (see below), whose sum is σ = 46848454686. Its totient is φ = 15616151560.

The previous prime is 31232303099. The next prime is 31232303149. The reversal of 31232303122 is 22130323213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22130323213 = 89 ⋅248655317.

It can be written as a sum of positive squares in only one way, i.e., 20488773321 + 10743529801 = 143139^2 + 103651^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31232303093 and 31232303102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7808075779 + ... + 7808075782.

Almost surely, 2^31232303122 is an apocalyptic number.

31232303122 is a deficient number, since it is larger than the sum of its proper divisors (15616151564).

31232303122 is a wasteful number, since it uses less digits than its factorization.

31232303122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15616151563.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31232303122 its reverse (22130323213), we get a palindrome (53362626335).

The spelling of 31232303122 in words is "thirty-one billion, two hundred thirty-two million, three hundred three thousand, one hundred twenty-two".