31422323133 has 12 divisors (see below), whose sum is σ = 48057670908. Its totient is φ = 19715967360.

The previous prime is 31422323089. The next prime is 31422323173. The reversal of 31422323133 is 33132322413.

31422323133 is a `hidden beast` number, since 3 + 1 + 422 + 3 + 231 + 3 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14543636409 + 16878686724 = 120597^2 + 129918^2 .

It is not a de Polignac number, because 31422323133 - 2¹⁰ = 31422322109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31422323097 and 31422323106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31422323173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102687178 + ... + 102687483.

It is an arithmetic number, because the mean of its divisors is an integer number (4004805909).

Almost surely, 2^31422323133 is an apocalyptic number.

It is an amenable number.

31422323133 is a deficient number, since it is larger than the sum of its proper divisors (16635347775).

31422323133 is a wasteful number, since it uses less digits than its factorization.

31422323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205374684 (or 205374681 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 31422323133 its reverse (33132322413), we get a palindrome (64554645546).

The spelling of 31422323133 in words is "thirty-one billion, four hundred twenty-two million, three hundred twenty-three thousand, one hundred thirty-three".