207241631 has 2 divisors, whose sum is σ = 207241632. Its totient is φ = 207241630.

The previous prime is 207241589. The next prime is 207241637. The reversal of 207241631 is 136142702.

207241631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207241631 is a prime.

It is a super-2 number, since 2×207241631² = 85898187239080322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 207241631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207241637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103620815 + 103620816.

It is an arithmetic number, because the mean of its divisors is an integer number (103620816).

Almost surely, 2^207241631 is an apocalyptic number.

207241631 is a deficient number, since it is larger than the sum of its proper divisors (1).

207241631 is an equidigital number, since it uses as much as digits as its factorization.

207241631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 207241631 is about 14395.8893785691. The cubic root of 207241631 is about 591.7782517662.

The spelling of 207241631 in words is "two hundred seven million, two hundred forty-one thousand, six hundred thirty-one".