31210130213 has 8 divisors (see below), whose sum is σ = 31680065760. Its totient is φ = 30740315760.

The previous prime is 31210130179. The next prime is 31210130233. The reversal of 31210130213 is 31203101213.

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 31210130213 - 2¹² = 31210126117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31210130191 and 31210130200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31210130233) 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, 581243 + ... + 632663.

It is an arithmetic number, because the mean of its divisors is an integer number (3960008220).

Almost surely, 2^31210130213 is an apocalyptic number.

It is an amenable number.

31210130213 is a deficient number, since it is larger than the sum of its proper divisors (469935547).

31210130213 is an equidigital number, since it uses as much as digits as its factorization.

31210130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60547.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31210130213 its reverse (31203101213), we get a palindrome (62413231426).

The spelling of 31210130213 in words is "thirty-one billion, two hundred ten million, one hundred thirty thousand, two hundred thirteen".