210342123430431 has 32 divisors (see below), whose sum is σ = 301989147609600. Its totient is φ = 129741380490240.

The previous prime is 210342123430421. The next prime is 210342123430433. The reversal of 210342123430431 is 134034321243012.

It is not a de Polignac number, because 210342123430431 - 2⁶ = 210342123430367 is a prime.

It is a super-2 number, since 2×210342123430431² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 210342123430392 and 210342123430401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210342123430433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 544679710 + ... + 545065748.

It is an arithmetic number, because the mean of its divisors is an integer number (9437160862800).

Almost surely, 2^{210342123430431} is an apocalyptic number.

210342123430431 is a deficient number, since it is larger than the sum of its proper divisors (91647024179169).

210342123430431 is a wasteful number, since it uses less digits than its factorization.

210342123430431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567199.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 210342123430431 its reverse (134034321243012), we get a palindrome (344376444673443).

The spelling of 210342123430431 in words is "two hundred ten trillion, three hundred forty-two billion, one hundred twenty-three million, four hundred thirty thousand, four hundred thirty-one".