31010343213 has 8 divisors (see below), whose sum is σ = 43523288800. Its totient is φ = 19585479888.

The previous prime is 31010343173. The next prime is 31010343223. The reversal of 31010343213 is 31234301013.

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

It is not a de Polignac number, because 31010343213 - 2¹² = 31010339117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31010343213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010343223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 272020498 + ... + 272020611.

It is an arithmetic number, because the mean of its divisors is an integer number (5440411100).

Almost surely, 2^31010343213 is an apocalyptic number.

It is an amenable number.

31010343213 is a deficient number, since it is larger than the sum of its proper divisors (12512945587).

31010343213 is a wasteful number, since it uses less digits than its factorization.

31010343213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544041131.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 31010343213 its reverse (31234301013), we get a palindrome (62244644226).

The spelling of 31010343213 in words is "thirty-one billion, ten million, three hundred forty-three thousand, two hundred thirteen".