31004240223 has 96 divisors (see below), whose sum is σ = 49365504000. Its totient is φ = 17110491840.

The previous prime is 31004240131. The next prime is 31004240237. The reversal of 31004240223 is 32204240013.

It is not a de Polignac number, because 31004240223 - 2¹⁶ = 31004174687 is a prime.

It is a super-2 number, since 2×31004240223² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31004240223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31004247223) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 301011990 + ... + 301012092.

It is an arithmetic number, because the mean of its divisors is an integer number (514224000).

Almost surely, 2^31004240223 is an apocalyptic number.

31004240223 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31004240223 is a deficient number, since it is larger than the sum of its proper divisors (18361263777).

31004240223 is a wasteful number, since it uses less digits than its factorization.

31004240223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 31004240223 its reverse (32204240013), we get a palindrome (63208480236).

The spelling of 31004240223 in words is "thirty-one billion, four million, two hundred forty thousand, two hundred twenty-three".