31243334213 has 32 divisors (see below), whose sum is σ = 41135238144. Its totient is φ = 23025917952.

The previous prime is 31243334201. The next prime is 31243334233.

31243334213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31243334213 is a prime.

It is a super-2 number, since 2×31243334213² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31243334233) 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 31 ways as a sum of consecutive naturals, for example, 45956 + ... + 254162.

It is an arithmetic number, because the mean of its divisors is an integer number (1285476192).

Almost surely, 2^31243334213 is an apocalyptic number.

It is an amenable number.

31243334213 is a deficient number, since it is larger than the sum of its proper divisors (9891903931).

31243334213 is a wasteful number, since it uses less digits than its factorization.

31243334213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208341.

The product of its digits is 15552, while the sum is 29.

The spelling of 31243334213 in words is "thirty-one billion, two hundred forty-three million, three hundred thirty-four thousand, two hundred thirteen".