1142345420431 has 2 divisors, whose sum is σ = 1142345420432. Its totient is φ = 1142345420430.

The previous prime is 1142345420407. The next prime is 1142345420473. The reversal of 1142345420431 is 1340245432411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142345420431 - 2⁵ = 1142345420399 is a prime.

It is a super-2 number, since 2×1142345420431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142345420131) 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, 571172710215 + 571172710216.

It is an arithmetic number, because the mean of its divisors is an integer number (571172710216).

Almost surely, 2^{1142345420431} is an apocalyptic number.

1142345420431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142345420431 is an equidigital number, since it uses as much as digits as its factorization.

1142345420431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 1142345420431 in words is "one trillion, one hundred forty-two billion, three hundred forty-five million, four hundred twenty thousand, four hundred thirty-one".