31223102214 has 16 divisors (see below), whose sum is σ = 62464247280. Its totient is φ = 10404693600.

The previous prime is 31223102201. The next prime is 31223102221. The reversal of 31223102214 is 41220132213.

It is a super-2 number, since 2×31223102214² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 729237 + ... + 770864.

It is an arithmetic number, because the mean of its divisors is an integer number (3904015455).

Almost surely, 2^31223102214 is an apocalyptic number.

31223102214 is an abundant number, since it is smaller than the sum of its proper divisors (31241145066).

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

31223102214 is a wasteful number, since it uses less digits than its factorization.

31223102214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503575.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31223102214 its reverse (41220132213), we get a palindrome (72443234427).

The spelling of 31223102214 in words is "thirty-one billion, two hundred twenty-three million, one hundred two thousand, two hundred fourteen".