31243300000001 has 8 divisors (see below), whose sum is σ = 31582334937600. Its totient is φ = 30906092744560.

The previous prime is 31243299999943. The next prime is 31243300000019. The reversal of 31243300000001 is 10000000334213.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31243300000001 is a prime.

It is a super-2 number, since 2×31243300000001² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31243300000301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456886166 + ... + 456954543.

It is an arithmetic number, because the mean of its divisors is an integer number (3947791867200).

Almost surely, 2^{31243300000001} is an apocalyptic number.

It is an amenable number.

31243300000001 is a deficient number, since it is larger than the sum of its proper divisors (339034937599).

31243300000001 is a wasteful number, since it uses less digits than its factorization.

31243300000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913841079.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 31243300000001 its reverse (10000000334213), we get a palindrome (41243300334214).

The spelling of 31243300000001 in words is "thirty-one trillion, two hundred forty-three billion, three hundred million, one", and thus it is an aban number.