213202110122031 has 8 divisors (see below), whose sum is σ = 291202882118064. Its totient is φ = 138668039103680.

The previous prime is 213202110121993. The next prime is 213202110122041. The reversal of 213202110122031 is 130221011202312.

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 213202110122031 - 2³⁵ = 213167750383663 is a prime.

It is a super-2 number, since 2×213202110122031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213202110121989 and 213202110122007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213202110122041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866675244276 + ... + 866675244521.

It is an arithmetic number, because the mean of its divisors is an integer number (36400360264758).

Almost surely, 2^{213202110122031} is an apocalyptic number.

213202110122031 is a deficient number, since it is larger than the sum of its proper divisors (78000771996033).

213202110122031 is a wasteful number, since it uses less digits than its factorization.

213202110122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733350488841.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 213202110122031 its reverse (130221011202312), we get a palindrome (343423121324343).

The spelling of 213202110122031 in words is "two hundred thirteen trillion, two hundred two billion, one hundred ten million, one hundred twenty-two thousand, thirty-one".