1142311019 has 2 divisors, whose sum is σ = 1142311020. Its totient is φ = 1142311018.

The previous prime is 1142311003. The next prime is 1142311063. The reversal of 1142311019 is 9101132411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142311019 - 2⁴ = 1142311003 is a prime.

It is a super-2 number, since 2×1142311019² = 2609748928257636722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142310985 and 1142311003.

It is not a weakly prime, because it can be changed into another prime (1142311319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571155509 + 571155510.

It is an arithmetic number, because the mean of its divisors is an integer number (571155510).

Almost surely, 2^1142311019 is an apocalyptic number.

1142311019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142311019 is an equidigital number, since it uses as much as digits as its factorization.

1142311019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1142311019 is about 33798.0919431852. The cubic root of 1142311019 is about 1045.3493544364.

The spelling of 1142311019 in words is "one billion, one hundred forty-two million, three hundred eleven thousand, nineteen".