31214000121304 has 128 divisors (see below), whose sum is σ = 78953124257280. Its totient is φ = 11172610713600.

The previous prime is 31214000121277. The next prime is 31214000121307. The reversal of 31214000121304 is 40312100041213.

It is a super-2 number, since 2×31214000121304² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214000121307) 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 31 ways as a sum of consecutive naturals, for example, 7546929 + ... + 10926304.

It is an arithmetic number, because the mean of its divisors is an integer number (616821283260).

Almost surely, 2^{31214000121304} is an apocalyptic number.

It is an amenable number.

31214000121304 is an abundant number, since it is smaller than the sum of its proper divisors (47739124135976).

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

31214000121304 is a wasteful number, since it uses less digits than its factorization.

31214000121304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18473481 (or 18473477 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31214000121304 its reverse (40312100041213), we get a palindrome (71526100162517).

The spelling of 31214000121304 in words is "thirty-one trillion, two hundred fourteen billion, one hundred twenty-one thousand, three hundred four".