31424011223 has 16 divisors (see below), whose sum is σ = 34479430656. Its totient is φ = 28401891840.

The previous prime is 31424011217. The next prime is 31424011249. The reversal of 31424011223 is 32211042413.

It is a cyclic number.

It is not a de Polignac number, because 31424011223 - 2⁴ = 31424011207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31424011823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4546136 + ... + 4553042.

It is an arithmetic number, because the mean of its divisors is an integer number (2154964416).

Almost surely, 2^31424011223 is an apocalyptic number.

31424011223 is a deficient number, since it is larger than the sum of its proper divisors (3055419433).

31424011223 is a wasteful number, since it uses less digits than its factorization.

31424011223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 31424011223 its reverse (32211042413), we get a palindrome (63635053636).

The spelling of 31424011223 in words is "thirty-one billion, four hundred twenty-four million, eleven thousand, two hundred twenty-three".