31601114 has 4 divisors (see below), whose sum is σ = 47401674. Its totient is φ = 15800556.

The previous prime is 31601099. The next prime is 31601137. The reversal of 31601114 is 41110613.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41110613 = 89 ⋅461917.

It can be written as a sum of positive squares in only one way, i.e., 28270489 + 3330625 = 5317^2 + 1825^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31601092 and 31601101.

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, 7900277 + ... + 7900280.

Almost surely, 2^31601114 is an apocalyptic number.

31601114 is a deficient number, since it is larger than the sum of its proper divisors (15800560).

31601114 is a wasteful number, since it uses less digits than its factorization.

31601114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15800559.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 31601114 is about 5621.4868140021. The cubic root of 31601114 is about 316.1555408499.

Adding to 31601114 its reverse (41110613), we get a palindrome (72711727).

The spelling of 31601114 in words is "thirty-one million, six hundred one thousand, one hundred fourteen".