142032031 has 4 divisors (see below), whose sum is σ = 142062064. Its totient is φ = 142002000.

The previous prime is 142032019. The next prime is 142032041. The reversal of 142032031 is 130230241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142032031 - 2⁵ = 142031999 is a prime.

It is a super-2 number, since 2×142032031² = 40346195659969922, 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 = 142031996 and 142032014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142032041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6195 + ... + 17956.

It is an arithmetic number, because the mean of its divisors is an integer number (35515516).

Almost surely, 2^142032031 is an apocalyptic number.

142032031 is a deficient number, since it is larger than the sum of its proper divisors (30033).

142032031 is an equidigital number, since it uses as much as digits as its factorization.

142032031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30032.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 142032031 is about 11917.7192029348. The cubic root of 142032031 is about 521.7495691528.

Adding to 142032031 its reverse (130230241), we get a palindrome (272262272).

The spelling of 142032031 in words is "one hundred forty-two million, thirty-two thousand, thirty-one".