207042631 has 2 divisors, whose sum is σ = 207042632. Its totient is φ = 207042630.

The previous prime is 207042617. The next prime is 207042691. The reversal of 207042631 is 136240702.

207042631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-207042631 is a prime.

It is a super-2 number, since 2×207042631² = 85733302102804322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 207042596 and 207042605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207042611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103521315 + 103521316.

It is an arithmetic number, because the mean of its divisors is an integer number (103521316).

Almost surely, 2^207042631 is an apocalyptic number.

207042631 is a deficient number, since it is larger than the sum of its proper divisors (1).

207042631 is an equidigital number, since it uses as much as digits as its factorization.

207042631 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 25.

The square root of 207042631 is about 14388.9760233312. The cubic root of 207042631 is about 591.5887763453.

The spelling of 207042631 in words is "two hundred seven million, forty-two thousand, six hundred thirty-one".