142031312 has 20 divisors (see below), whose sum is σ = 277169760. Its totient is φ = 70503648.

The previous prime is 142031293. The next prime is 142031317. The reversal of 142031312 is 213130241.

142031312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142031317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29708 + ... + 34155.

It is an arithmetic number, because the mean of its divisors is an integer number (13858488).

Almost surely, 2^142031312 is an apocalyptic number.

It is an amenable number.

142031312 is a deficient number, since it is larger than the sum of its proper divisors (135138448).

142031312 is a wasteful number, since it uses less digits than its factorization.

142031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64010 (or 64004 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 142031312 is about 11917.6890377287. The cubic root of 142031312 is about 521.7486887444.

Adding to 142031312 its reverse (213130241), we get a palindrome (355161553).

The spelling of 142031312 in words is "one hundred forty-two million, thirty-one thousand, three hundred twelve".