210131030200031 has 2 divisors, whose sum is σ = 210131030200032. Its totient is φ = 210131030200030.

The previous prime is 210131030199983. The next prime is 210131030200129. The reversal of 210131030200031 is 130002030131012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210131030200031 - 2⁶ = 210131030199967 is a prime.

It is a super-2 number, since 2×210131030200031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210131030199982 and 210131030200009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210131030202031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105065515100015 + 105065515100016.

It is an arithmetic number, because the mean of its divisors is an integer number (105065515100016).

Almost surely, 2^{210131030200031} is an apocalyptic number.

210131030200031 is a deficient number, since it is larger than the sum of its proper divisors (1).

210131030200031 is an equidigital number, since it uses as much as digits as its factorization.

210131030200031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 210131030200031 its reverse (130002030131012), we get a palindrome (340133060331043).

The spelling of 210131030200031 in words is "two hundred ten trillion, one hundred thirty-one billion, thirty million, two hundred thousand, thirty-one".