210131042131 has 2 divisors, whose sum is σ = 210131042132. Its totient is φ = 210131042130.

The previous prime is 210131042123. The next prime is 210131042159. The reversal of 210131042131 is 131240131012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210131042131 - 2³ = 210131042123 is a prime.

It is a super-2 number, since 2×210131042131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210131042099 and 210131042108.

It is not a weakly prime, because it can be changed into another prime (210131042101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105065521065 + 105065521066.

It is an arithmetic number, because the mean of its divisors is an integer number (105065521066).

Almost surely, 2^210131042131 is an apocalyptic number.

210131042131 is a deficient number, since it is larger than the sum of its proper divisors (1).

210131042131 is an equidigital number, since it uses as much as digits as its factorization.

210131042131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 210131042131 its reverse (131240131012), we get a palindrome (341371173143).

The spelling of 210131042131 in words is "two hundred ten billion, one hundred thirty-one million, forty-two thousand, one hundred thirty-one".