31214601 has 36 divisors (see below), whose sum is σ = 52298064. Its totient is φ = 17788800.

The previous prime is 31214597. The next prime is 31214639. The reversal of 31214601 is 10641213.

It is a happy number.

It is not a de Polignac number, because 31214601 - 2² = 31214597 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31214641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28066 + ... + 29156.

It is an arithmetic number, because the mean of its divisors is an integer number (1452724).

Almost surely, 2^31214601 is an apocalyptic number.

It is an amenable number.

31214601 is a deficient number, since it is larger than the sum of its proper divisors (21083463).

31214601 is a wasteful number, since it uses less digits than its factorization.

31214601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1122 counting only the distinct ones).

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

The square root of 31214601 is about 5587.0028637902. The cubic root of 31214601 is about 314.8612843502.

Adding to 31214601 its reverse (10641213), we get a palindrome (41855814).

The spelling of 31214601 in words is "thirty-one million, two hundred fourteen thousand, six hundred one".