214031407 has 2 divisors, whose sum is σ = 214031408. Its totient is φ = 214031406.

The previous prime is 214031393. The next prime is 214031429. The reversal of 214031407 is 704130412.

It is an a-pointer prime, because the next prime (214031429) can be obtained adding 214031407 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214031407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214031707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107015703 + 107015704.

It is an arithmetic number, because the mean of its divisors is an integer number (107015704).

Almost surely, 2^214031407 is an apocalyptic number.

214031407 is a deficient number, since it is larger than the sum of its proper divisors (1).

214031407 is an equidigital number, since it uses as much as digits as its factorization.

214031407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 214031407 is about 14629.8122681052. The cubic root of 214031407 is about 598.1716630025.

Adding to 214031407 its reverse (704130412), we get a palindrome (918161819).

The spelling of 214031407 in words is "two hundred fourteen million, thirty-one thousand, four hundred seven".