210131424231 has 4 divisors (see below), whose sum is σ = 280175232312. Its totient is φ = 140087616152.

The previous prime is 210131424211. The next prime is 210131424241. The reversal of 210131424231 is 132424131012.

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

It is a cyclic number.

It is not a de Polignac number, because 210131424231 - 2⁵ = 210131424199 is a prime.

It is a super-2 number, since 2×210131424231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210131424211) 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, 35021904036 + ... + 35021904041.

It is an arithmetic number, because the mean of its divisors is an integer number (70043808078).

Almost surely, 2^210131424231 is an apocalyptic number.

210131424231 is a deficient number, since it is larger than the sum of its proper divisors (70043808081).

210131424231 is an equidigital number, since it uses as much as digits as its factorization.

210131424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70043808080.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 210131424231 its reverse (132424131012), we get a palindrome (342555555243).

The spelling of 210131424231 in words is "two hundred ten billion, one hundred thirty-one million, four hundred twenty-four thousand, two hundred thirty-one".