210011210233031 has 4 divisors (see below), whose sum is σ = 222364810834992. Its totient is φ = 197657609631072.

The previous prime is 210011210233001. The next prime is 210011210233043. The reversal of 210011210233031 is 130332012110012.

It is a happy number.

210011210233031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210011210233031 is a prime.

It is a super-2 number, since 2×210011210233031² (a number of 29 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 = 210011210232994 and 210011210233012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210011210233001) 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, 6176800300955 + ... + 6176800300988.

It is an arithmetic number, because the mean of its divisors is an integer number (55591202708748).

Almost surely, 2^{210011210233031} is an apocalyptic number.

210011210233031 is a deficient number, since it is larger than the sum of its proper divisors (12353600601961).

210011210233031 is a wasteful number, since it uses less digits than its factorization.

210011210233031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12353600601960.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 210011210233031 its reverse (130332012110012), we get a palindrome (340343222343043).

The spelling of 210011210233031 in words is "two hundred ten trillion, eleven billion, two hundred ten million, two hundred thirty-three thousand, thirty-one".