31003112214 has 48 divisors (see below), whose sum is σ = 69376095360. Its totient is φ = 9995840640.

The previous prime is 31003112213. The next prime is 31003112219. The reversal of 31003112214 is 41221130013.

It is a super-2 number, since 2×31003112214² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31003112213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1152364 + ... + 1178960.

It is an arithmetic number, because the mean of its divisors is an integer number (1445335320).

Almost surely, 2^31003112214 is an apocalyptic number.

31003112214 is an abundant number, since it is smaller than the sum of its proper divisors (38372983146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31003112214 is a wasteful number, since it uses less digits than its factorization.

31003112214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28725 (or 28722 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 31003112214 its reverse (41221130013), we get a palindrome (72224242227).

The spelling of 31003112214 in words is "thirty-one billion, three million, one hundred twelve thousand, two hundred fourteen".