1431143299 has 2 divisors, whose sum is σ = 1431143300. Its totient is φ = 1431143298.

The previous prime is 1431143293. The next prime is 1431143323. The reversal of 1431143299 is 9923411341.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1431143299 is a prime.

It is a super-2 number, since 2×1431143299² = 4096342284545206802, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1431143293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715571649 + 715571650.

It is an arithmetic number, because the mean of its divisors is an integer number (715571650).

Almost surely, 2^1431143299 is an apocalyptic number.

1431143299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1431143299 is an equidigital number, since it uses as much as digits as its factorization.

1431143299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 1431143299 is about 37830.4546496602. The cubic root of 1431143299 is about 1126.9233401046.

The spelling of 1431143299 in words is "one billion, four hundred thirty-one million, one hundred forty-three thousand, two hundred ninety-nine".