31079234 has 4 divisors (see below), whose sum is σ = 46618854. Its totient is φ = 15539616.

The previous prime is 31079227. The next prime is 31079261. The reversal of 31079234 is 43297013.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43297013 = 1637 ⋅26449.

It can be written as a sum of positive squares in only one way, i.e., 30085225 + 994009 = 5485^2 + 997^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 31079197 and 31079206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7769807 + ... + 7769810.

Almost surely, 2^31079234 is an apocalyptic number.

31079234 is a deficient number, since it is larger than the sum of its proper divisors (15539620).

31079234 is a wasteful number, since it uses less digits than its factorization.

31079234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15539619.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 31079234 is about 5574.8752452409. The cubic root of 31079234 is about 314.4054764157.

It can be divided in two parts, 31079 and 234, that added together give a palindrome (31313).

The spelling of 31079234 in words is "thirty-one million, seventy-nine thousand, two hundred thirty-four".