213012102031 has 8 divisors (see below), whose sum is σ = 213502244864. Its totient is φ = 212522418360.

The previous prime is 213012102029. The next prime is 213012102103. The reversal of 213012102031 is 130201210312.

213012102031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 213012102031 - 2¹ = 213012102029 is a prime.

It is a super-2 number, since 2×213012102031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213012101996 and 213012102014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213012132031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822886 + ... + 1050316.

It is an arithmetic number, because the mean of its divisors is an integer number (26687780608).

Almost surely, 2^213012102031 is an apocalyptic number.

213012102031 is a deficient number, since it is larger than the sum of its proper divisors (490142833).

213012102031 is a wasteful number, since it uses less digits than its factorization.

213012102031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229581.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 213012102031 its reverse (130201210312), we get a palindrome (343213312343).

The spelling of 213012102031 in words is "two hundred thirteen billion, twelve million, one hundred two thousand, thirty-one".