213001101013 has 4 divisors (see below), whose sum is σ = 213030298540. Its totient is φ = 212971903488.

The previous prime is 213001101007. The next prime is 213001101031. The reversal of 213001101013 is 310101100312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43354319089 + 169646781924 = 208217^2 + 411882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213001101013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213001100984 and 213001101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001101043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14587818 + ... + 14602411.

It is an arithmetic number, because the mean of its divisors is an integer number (53257574635).

Almost surely, 2^213001101013 is an apocalyptic number.

It is an amenable number.

213001101013 is a deficient number, since it is larger than the sum of its proper divisors (29197527).

213001101013 is an equidigital number, since it uses as much as digits as its factorization.

213001101013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29197526.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 213001101013 its reverse (310101100312), we get a palindrome (523102201325).

The spelling of 213001101013 in words is "two hundred thirteen billion, one million, one hundred one thousand, thirteen".