31214061 has 12 divisors (see below), whose sum is σ = 45210880. Its totient is φ = 20752200.

The previous prime is 31214041. The next prime is 31214069. The reversal of 31214061 is 16041213.

It is a happy number.

It is not a de Polignac number, because 31214061 - 2⁹ = 31213549 is a prime.

It is a super-2 number, since 2×31214061² = 1948635208223442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31214069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1165 + ... + 7986.

Almost surely, 2^31214061 is an apocalyptic number.

It is an amenable number.

31214061 is a deficient number, since it is larger than the sum of its proper divisors (13996819).

31214061 is a wasteful number, since it uses less digits than its factorization.

31214061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9536 (or 9533 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 31214061 is about 5586.9545371338. The cubic root of 31214061 is about 314.8594686820.

Adding to 31214061 its reverse (16041213), we get a palindrome (47255274).

The spelling of 31214061 in words is "thirty-one million, two hundred fourteen thousand, sixty-one".