210102053431 has 2 divisors, whose sum is σ = 210102053432. Its totient is φ = 210102053430.

The previous prime is 210102053429. The next prime is 210102053459. The reversal of 210102053431 is 134350201012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210102053431 - 2¹ = 210102053429 is a prime.

It is a super-2 number, since 2×210102053431² (a number of 23 digits) contains 22 as substring.

Together with 210102053429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210102053731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105051026715 + 105051026716.

It is an arithmetic number, because the mean of its divisors is an integer number (105051026716).

Almost surely, 2^210102053431 is an apocalyptic number.

210102053431 is a deficient number, since it is larger than the sum of its proper divisors (1).

210102053431 is an equidigital number, since it uses as much as digits as its factorization.

210102053431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 210102053431 its reverse (134350201012), we get a palindrome (344452254443).

The spelling of 210102053431 in words is "two hundred ten billion, one hundred two million, fifty-three thousand, four hundred thirty-one".