142031011 has 8 divisors (see below), whose sum is σ = 147251664. Its totient is φ = 136894080.

The previous prime is 142030991. The next prime is 142031017. The reversal of 142031011 is 110130241.

142031011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142031011 - 2⁷ = 142030883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142030982 and 142031000.

It is not an unprimeable number, because it can be changed into a prime (142031017) 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, 17466 + ... + 24271.

It is an arithmetic number, because the mean of its divisors is an integer number (18406458).

Almost surely, 2^142031011 is an apocalyptic number.

142031011 is a deficient number, since it is larger than the sum of its proper divisors (5220653).

142031011 is an equidigital number, since it uses as much as digits as its factorization.

142031011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41861.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 142031011 is about 11917.6764094349. The cubic root of 142031011 is about 521.7483201720.

Adding to 142031011 its reverse (110130241), we get a palindrome (252161252).

The spelling of 142031011 in words is "one hundred forty-two million, thirty-one thousand, eleven".