214701631 has 2 divisors, whose sum is σ = 214701632. Its totient is φ = 214701630.

The previous prime is 214701611. The next prime is 214701637. The reversal of 214701631 is 136107412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 214701631 - 2¹³ = 214693439 is a prime.

It is a super-2 number, since 2×214701631² = 92193580708120322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 214701596 and 214701605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214701637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107350815 + 107350816.

It is an arithmetic number, because the mean of its divisors is an integer number (107350816).

Almost surely, 2^214701631 is an apocalyptic number.

214701631 is a deficient number, since it is larger than the sum of its proper divisors (1).

214701631 is an equidigital number, since it uses as much as digits as its factorization.

214701631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 214701631 is about 14652.7004678319. The cubic root of 214701631 is about 598.7953896231.

The spelling of 214701631 in words is "two hundred fourteen million, seven hundred one thousand, six hundred thirty-one".