420051102431 has 2 divisors, whose sum is σ = 420051102432. Its totient is φ = 420051102430.

The previous prime is 420051102371. The next prime is 420051102491. The reversal of 420051102431 is 134201150024.

It is a balanced prime because it is at equal distance from previous prime (420051102371) and next prime (420051102491).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420051102431 is a prime.

It is a super-2 number, since 2×420051102431² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420051102397 and 420051102406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (420051102491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210025551215 + 210025551216.

It is an arithmetic number, because the mean of its divisors is an integer number (210025551216).

Almost surely, 2^420051102431 is an apocalyptic number.

420051102431 is a deficient number, since it is larger than the sum of its proper divisors (1).

420051102431 is an equidigital number, since it uses as much as digits as its factorization.

420051102431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 420051102431 its reverse (134201150024), we get a palindrome (554252252455).

The spelling of 420051102431 in words is "four hundred twenty billion, fifty-one million, one hundred two thousand, four hundred thirty-one".