1142331019 has 2 divisors, whose sum is σ = 1142331020. Its totient is φ = 1142331018.

The previous prime is 1142331011. The next prime is 1142331023. The reversal of 1142331019 is 9101332411.

It is a strong prime.

It is an emirp because it is prime and its reverse (9101332411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142331019 - 2³ = 1142331011 is a prime.

It is a super-2 number, since 2×1142331019² = 2609840313939156722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142330984 and 1142331002.

It is not a weakly prime, because it can be changed into another prime (1142331011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571165509 + 571165510.

It is an arithmetic number, because the mean of its divisors is an integer number (571165510).

Almost surely, 2^1142331019 is an apocalyptic number.

1142331019 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142331019 is an equidigital number, since it uses as much as digits as its factorization.

1142331019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1142331019 is about 33798.3878165808. The cubic root of 1142331019 is about 1045.3554551873.

The spelling of 1142331019 in words is "one billion, one hundred forty-two million, three hundred thirty-one thousand, nineteen".