31223422214203 has 4 divisors (see below), whose sum is σ = 31253187155400. Its totient is φ = 31193657273008.

The previous prime is 31223422214197. The next prime is 31223422214213. The reversal of 31223422214203 is 30241222432213.

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

It is a cyclic number.

It is not a de Polignac number, because 31223422214203 - 2²¹ = 31223420117051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31223422214213) 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, 14882469025 + ... + 14882471122.

It is an arithmetic number, because the mean of its divisors is an integer number (7813296788850).

Almost surely, 2^{31223422214203} is an apocalyptic number.

31223422214203 is a deficient number, since it is larger than the sum of its proper divisors (29764941197).

31223422214203 is a wasteful number, since it uses less digits than its factorization.

31223422214203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29764941196.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 31223422214203 its reverse (30241222432213), we get a palindrome (61464644646416).

The spelling of 31223422214203 in words is "thirty-one trillion, two hundred twenty-three billion, four hundred twenty-two million, two hundred fourteen thousand, two hundred three".