31622426453 has 4 divisors (see below), whose sum is σ = 31823843340. Its totient is φ = 31421009568.

The previous prime is 31622426383. The next prime is 31622426489. The reversal of 31622426453 is 35462422613.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3283060804 + 28339365649 = 57298^2 + 168343^2 .

It is a cyclic number.

It is not a de Polignac number, because 31622426453 - 2²⁶ = 31555317589 is a prime.

It is a super-2 number, since 2×31622426453² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31622326453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100708208 + ... + 100708521.

It is an arithmetic number, because the mean of its divisors is an integer number (7955960835).

Almost surely, 2^31622426453 is an apocalyptic number.

It is an amenable number.

31622426453 is a deficient number, since it is larger than the sum of its proper divisors (201416887).

31622426453 is a wasteful number, since it uses less digits than its factorization.

31622426453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201416886.

The product of its digits is 207360, while the sum is 38.

The spelling of 31622426453 in words is "thirty-one billion, six hundred twenty-two million, four hundred twenty-six thousand, four hundred fifty-three".