213031101303 has 32 divisors (see below), whose sum is σ = 318527827200. Its totient is φ = 140707476000.

The previous prime is 213031101299. The next prime is 213031101319. The reversal of 213031101303 is 303101130312.

It is a happy number.

213031101303 is a `hidden beast` number, since 21 + 30 + 311 + 0 + 1 + 303 = 666.

It is not a de Polignac number, because 213031101303 - 2² = 213031101299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031101323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2140753 + ... + 2238053.

It is an arithmetic number, because the mean of its divisors is an integer number (9953994600).

Almost surely, 2^213031101303 is an apocalyptic number.

213031101303 is a deficient number, since it is larger than the sum of its proper divisors (105496725897).

213031101303 is a wasteful number, since it uses less digits than its factorization.

213031101303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98060 (or 98054 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 213031101303 its reverse (303101130312), we get a palindrome (516132231615).

The spelling of 213031101303 in words is "two hundred thirteen billion, thirty-one million, one hundred one thousand, three hundred three".