31122341226 has 12 divisors (see below), whose sum is σ = 67431739362. Its totient is φ = 10374113736.

The previous prime is 31122341219. The next prime is 31122341291. The reversal of 31122341226 is 62214322113.

31122341226 is a `hidden beast` number, since 3 + 1 + 1 + 223 + 412 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29223560601 + 1898780625 = 170949^2 + 43575^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31122341226.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 864509461 + ... + 864509496.

Almost surely, 2^31122341226 is an apocalyptic number.

31122341226 is an abundant number, since it is smaller than the sum of its proper divisors (36309398136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31122341226 is a wasteful number, since it uses less digits than its factorization.

31122341226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729018965 (or 1729018962 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 31122341226 its reverse (62214322113), we get a palindrome (93336663339).

The spelling of 31122341226 in words is "thirty-one billion, one hundred twenty-two million, three hundred forty-one thousand, two hundred twenty-six".