1142300431 has 16 divisors (see below), whose sum is σ = 1250823168. Its totient is φ = 1038499200.

The previous prime is 1142300413. The next prime is 1142300447. The reversal of 1142300431 is 1340032411.

It is a cyclic number.

It is not a de Polignac number, because 1142300431 - 2⁵ = 1142300399 is a prime.

It is a super-2 number, since 2×1142300431² = 2609700549325571522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142300399 and 1142300408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142300491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337176 + ... + 340546.

It is an arithmetic number, because the mean of its divisors is an integer number (78176448).

Almost surely, 2^1142300431 is an apocalyptic number.

1142300431 is a deficient number, since it is larger than the sum of its proper divisors (108522737).

1142300431 is a wasteful number, since it uses less digits than its factorization.

1142300431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1142300431 is about 33797.9353067610. The cubic root of 1142300431 is about 1045.3461246700.

Adding to 1142300431 its reverse (1340032411), we get a palindrome (2482332842).

The spelling of 1142300431 in words is "one billion, one hundred forty-two million, three hundred thousand, four hundred thirty-one".