1142433031 has 8 divisors (see below), whose sum is σ = 1210144320. Its totient is φ = 1074778368.

The previous prime is 1142433029. The next prime is 1142433037. The reversal of 1142433031 is 1303342411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142433031 - 2¹ = 1142433029 is a prime.

It is a super-2 number, since 2×1142433031² = 2610306460639693922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142432993 and 1142433011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142433037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31650 + ... + 57328.

It is an arithmetic number, because the mean of its divisors is an integer number (151268040).

Almost surely, 2^1142433031 is an apocalyptic number.

1142433031 is a deficient number, since it is larger than the sum of its proper divisors (67711289).

1142433031 is a wasteful number, since it uses less digits than its factorization.

1142433031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28313.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1142433031 is about 33799.8969081268. The cubic root of 1142433031 is about 1045.3865715698.

Adding to 1142433031 its reverse (1303342411), we get a palindrome (2445775442).

The spelling of 1142433031 in words is "one billion, one hundred forty-two million, four hundred thirty-three thousand, thirty-one".