31054223 has 8 divisors (see below), whose sum is σ = 32966640. Its totient is φ = 29151360.

The previous prime is 31054181. The next prime is 31054241. The reversal of 31054223 is 32245013.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 31054223 - 2⁶ = 31054159 is a prime.

It is a super-2 number, since 2×31054223² = 1928729532267458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31054195 and 31054204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31054253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4988 + ... + 9326.

It is an arithmetic number, because the mean of its divisors is an integer number (4120830).

Almost surely, 2^31054223 is an apocalyptic number.

31054223 is a deficient number, since it is larger than the sum of its proper divisors (1912417).

31054223 is a wasteful number, since it uses less digits than its factorization.

31054223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4777.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 31054223 is about 5572.6316045474. The cubic root of 31054223 is about 314.3211145583.

Adding to 31054223 its reverse (32245013), we get a palindrome (63299236).

The spelling of 31054223 in words is "thirty-one million, fifty-four thousand, two hundred twenty-three".