420233444131 has 2 divisors, whose sum is σ = 420233444132. Its totient is φ = 420233444130.

The previous prime is 420233444089. The next prime is 420233444221. The reversal of 420233444131 is 131444332024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 420233444131 - 2⁷ = 420233444003 is a prime.

It is a super-2 number, since 2×420233444131² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 420233444093 and 420233444102.

It is not a weakly prime, because it can be changed into another prime (420233484131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210116722065 + 210116722066.

It is an arithmetic number, because the mean of its divisors is an integer number (210116722066).

Almost surely, 2^420233444131 is an apocalyptic number.

420233444131 is a deficient number, since it is larger than the sum of its proper divisors (1).

420233444131 is an equidigital number, since it uses as much as digits as its factorization.

420233444131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 420233444131 its reverse (131444332024), we get a palindrome (551677776155).

The spelling of 420233444131 in words is "four hundred twenty billion, two hundred thirty-three million, four hundred forty-four thousand, one hundred thirty-one".