213033203031 has 8 divisors (see below), whose sum is σ = 309866477184. Its totient is φ = 129111032120.

The previous prime is 213033203023. The next prime is 213033203039. The reversal of 213033203031 is 130302330312.

It is an interprime number because it is at equal distance from previous prime (213033203023) and next prime (213033203039).

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 213033203031 - 2³ = 213033203023 is a prime.

It is a super-2 number, since 2×213033203031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213033202989 and 213033203007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213033203039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3227775771 + ... + 3227775836.

It is an arithmetic number, because the mean of its divisors is an integer number (38733309648).

Almost surely, 2^213033203031 is an apocalyptic number.

213033203031 is a deficient number, since it is larger than the sum of its proper divisors (96833274153).

213033203031 is a wasteful number, since it uses less digits than its factorization.

213033203031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455551621.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 213033203031 its reverse (130302330312), we get a palindrome (343335533343).

The spelling of 213033203031 in words is "two hundred thirteen billion, thirty-three million, two hundred three thousand, thirty-one".