1042205234431 has 2 divisors, whose sum is σ = 1042205234432. Its totient is φ = 1042205234430.

The previous prime is 1042205234401. The next prime is 1042205234459. The reversal of 1042205234431 is 1344325022401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042205234431 - 2⁷ = 1042205234303 is a prime.

It is a super-2 number, since 2×1042205234431² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042205234393 and 1042205234402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042205234401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521102617215 + 521102617216.

It is an arithmetic number, because the mean of its divisors is an integer number (521102617216).

Almost surely, 2^{1042205234431} is an apocalyptic number.

1042205234431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042205234431 is an equidigital number, since it uses as much as digits as its factorization.

1042205234431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 31.

The spelling of 1042205234431 in words is "one trillion, forty-two billion, two hundred five million, two hundred thirty-four thousand, four hundred thirty-one".