31422233113 has 6 divisors (see below), whose sum is σ = 32468551962. Its totient is φ = 30408611760.

The previous prime is 31422233099. The next prime is 31422233123. The reversal of 31422233113 is 31133222413.

It can be written as a sum of positive squares in only one way, i.e., 26821595529 + 4600637584 = 163773^2 + 67828^2 .

It is not a de Polignac number, because 31422233113 - 2²¹ = 31420135961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31422233123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16347756 + ... + 16349677.

It is an arithmetic number, because the mean of its divisors is an integer number (5411425327).

Almost surely, 2^31422233113 is an apocalyptic number.

It is an amenable number.

31422233113 is a deficient number, since it is larger than the sum of its proper divisors (1046318849).

31422233113 is an equidigital number, since it uses as much as digits as its factorization.

31422233113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32697495 (or 32697464 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 31422233113 its reverse (31133222413), we get a palindrome (62555455526).

The spelling of 31422233113 in words is "thirty-one billion, four hundred twenty-two million, two hundred thirty-three thousand, one hundred thirteen".