31132133122 has 16 divisors (see below), whose sum is σ = 47256272280. Its totient is φ = 15380563968.

The previous prime is 31132133113. The next prime is 31132133141. The reversal of 31132133122 is 22133123113.

It can be written as a sum of positive squares in 4 ways, for example, as 25930982961 + 5201150161 = 161031^2 + 72119^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31132133093 and 31132133102.

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, 10347 + ... + 249742.

Almost surely, 2^31132133122 is an apocalyptic number.

31132133122 is a deficient number, since it is larger than the sum of its proper divisors (16124139158).

31132133122 is a wasteful number, since it uses less digits than its factorization.

31132133122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260805.

The product of its digits is 648, while the sum is 22.

Adding to 31132133122 its reverse (22133123113), we get a palindrome (53265256235).

It can be divided in two parts, 311321 and 33122, that added together give a palindrome (344443).

The spelling of 31132133122 in words is "thirty-one billion, one hundred thirty-two million, one hundred thirty-three thousand, one hundred twenty-two".