210031132202873 has 2 divisors, whose sum is σ = 210031132202874. Its totient is φ = 210031132202872.

The previous prime is 210031132202833. The next prime is 210031132202887. The reversal of 210031132202873 is 378202231130012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172370719774009 + 37660412428864 = 13129003^2 + 6136808^2 .

It is a cyclic number.

It is not a de Polignac number, because 210031132202873 - 2²⁶ = 210031065094009 is a prime.

It is a super-2 number, since 2×210031132202873² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210031132202833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105015566101436 + 105015566101437.

It is an arithmetic number, because the mean of its divisors is an integer number (105015566101437).

Almost surely, 2^{210031132202873} is an apocalyptic number.

It is an amenable number.

210031132202873 is a deficient number, since it is larger than the sum of its proper divisors (1).

210031132202873 is an equidigital number, since it uses as much as digits as its factorization.

210031132202873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 210031132202873 its reverse (378202231130012), we get a palindrome (588233363332885).

The spelling of 210031132202873 in words is "two hundred ten trillion, thirty-one billion, one hundred thirty-two million, two hundred two thousand, eight hundred seventy-three".