31203130213 has 8 divisors (see below), whose sum is σ = 31932444896. Its totient is φ = 30473982000.

The previous prime is 31203130201. The next prime is 31203130219.

31203130213 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 a de Polignac number, because none of the positive numbers 2^k-31203130213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31203130219) 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, 389098 + ... + 462388.

It is an arithmetic number, because the mean of its divisors is an integer number (3991555612).

Almost surely, 2^31203130213 is an apocalyptic number.

It is an amenable number.

31203130213 is a deficient number, since it is larger than the sum of its proper divisors (729314683).

31203130213 is an equidigital number, since it uses as much as digits as its factorization.

31203130213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83235.

The product of its (nonzero) digits is 324, while the sum is 19.

The spelling of 31203130213 in words is "thirty-one billion, two hundred three million, one hundred thirty thousand, two hundred thirteen".