210031032133 has 4 divisors (see below), whose sum is σ = 226187265388. Its totient is φ = 193874798880.

The previous prime is 210031032103. The next prime is 210031032143. The reversal of 210031032133 is 331230130012.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137165048164 + 72865983969 = 370358^2 + 269937^2 .

It is a cyclic number.

It is not a de Polignac number, because 210031032133 - 2⁹ = 210031031621 is a prime.

It is a super-2 number, since 2×210031032133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210031032133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210031032103) 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, 8078116608 + ... + 8078116633.

It is an arithmetic number, because the mean of its divisors is an integer number (56546816347).

Almost surely, 2^210031032133 is an apocalyptic number.

It is an amenable number.

210031032133 is a deficient number, since it is larger than the sum of its proper divisors (16156233255).

210031032133 is a wasteful number, since it uses less digits than its factorization.

210031032133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16156233254.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 210031032133 its reverse (331230130012), we get a palindrome (541261162145).

The spelling of 210031032133 in words is "two hundred ten billion, thirty-one million, thirty-two thousand, one hundred thirty-three".