213031013404 has 24 divisors (see below), whose sum is σ = 406771603056. Its totient is φ = 96814176000.

The previous prime is 213031013401. The next prime is 213031013407. The reversal of 213031013404 is 404310130312.

It is an interprime number because it is at equal distance from previous prime (213031013401) and next prime (213031013407).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213031013401) 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, 213117 + ... + 686644.

It is an arithmetic number, because the mean of its divisors is an integer number (16948816794).

Almost surely, 2^213031013404 is an apocalyptic number.

It is an amenable number.

213031013404 is a deficient number, since it is larger than the sum of its proper divisors (193740589652).

213031013404 is a wasteful number, since it uses less digits than its factorization.

213031013404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905157 (or 905155 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 213031013404 its reverse (404310130312), we get a palindrome (617341143716).

The spelling of 213031013404 in words is "two hundred thirteen billion, thirty-one million, thirteen thousand, four hundred four".