31942027 has 4 divisors (see below), whose sum is σ = 34399120. Its totient is φ = 29484936.

The previous prime is 31942019. The next prime is 31942033. The reversal of 31942027 is 72024913.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72024913 = 103 ⋅699271.

It is not a de Polignac number, because 31942027 - 2³ = 31942019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31941986 and 31942004.

It is not an unprimeable number, because it can be changed into a prime (31942007) 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, 1228527 + ... + 1228552.

It is an arithmetic number, because the mean of its divisors is an integer number (8599780).

Almost surely, 2^31942027 is an apocalyptic number.

31942027 is a deficient number, since it is larger than the sum of its proper divisors (2457093).

31942027 is a wasteful number, since it uses less digits than its factorization.

31942027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457092.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 31942027 is about 5651.7277889155. The cubic root of 31942027 is about 317.2883728299.

The spelling of 31942027 in words is "thirty-one million, nine hundred forty-two thousand, twenty-seven".