31243034213 has 8 divisors (see below), whose sum is σ = 31972842528. Its totient is φ = 30513372624.

The previous prime is 31243034189. The next prime is 31243034233.

31243034213 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 31243034213 - 2¹⁴ = 31243017829 is a prime.

It is a super-2 number, since 2×31243034213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31243034233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477206 + ... + 538712.

It is an arithmetic number, because the mean of its divisors is an integer number (3996605316).

Almost surely, 2^31243034213 is an apocalyptic number.

It is an amenable number.

31243034213 is a deficient number, since it is larger than the sum of its proper divisors (729808315).

31243034213 is a wasteful number, since it uses less digits than its factorization.

31243034213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73363.

The product of its (nonzero) digits is 5184, while the sum is 26.

It can be divided in two parts, 312430 and 34213, that added together give a palindrome (346643).

The spelling of 31243034213 in words is "thirty-one billion, two hundred forty-three million, thirty-four thousand, two hundred thirteen".