31314023 has 4 divisors (see below), whose sum is σ = 33722808. Its totient is φ = 28905240.

The previous prime is 31314013. The next prime is 31314029. The reversal of 31314023 is 32041313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32041313 = 109 ⋅293957.

It is not a de Polignac number, because 31314023 - 2¹⁰ = 31312999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31313992 and 31314010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31314029) 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, 1204373 + ... + 1204398.

It is an arithmetic number, because the mean of its divisors is an integer number (8430702).

Almost surely, 2^31314023 is an apocalyptic number.

31314023 is a deficient number, since it is larger than the sum of its proper divisors (2408785).

31314023 is a wasteful number, since it uses less digits than its factorization.

31314023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408784.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 31314023 is about 5595.8934049891. The cubic root of 31314023 is about 315.1952195447.

Adding to 31314023 its reverse (32041313), we get a palindrome (63355336).

The spelling of 31314023 in words is "thirty-one million, three hundred fourteen thousand, twenty-three".