31026142 has 8 divisors (see below), whose sum is σ = 53187696. Its totient is φ = 13296912.

The previous prime is 31026119. The next prime is 31026161. The reversal of 31026142 is 24162013.

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

It is a congruent number.

It is an unprimeable number.

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, 1108063 + ... + 1108090.

It is an arithmetic number, because the mean of its divisors is an integer number (6648462).

Almost surely, 2^31026142 is an apocalyptic number.

31026142 is a deficient number, since it is larger than the sum of its proper divisors (22161554).

31026142 is a wasteful number, since it uses less digits than its factorization.

31026142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216162.

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

The square root of 31026142 is about 5570.1114890099. Note that the first 3 decimals coincide. The cubic root of 31026142 is about 314.2263436258.

Adding to 31026142 its reverse (24162013), we get a palindrome (55188155).

The spelling of 31026142 in words is "thirty-one million, twenty-six thousand, one hundred forty-two".