207131130 has 48 divisors (see below), whose sum is σ = 540094464. Its totient is φ = 55075680.

The previous prime is 207131117. The next prime is 207131131. The reversal of 207131130 is 31131702.

207131130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (207131131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29895 + ... + 36165.

It is an arithmetic number, because the mean of its divisors is an integer number (11251968).

Almost surely, 2^207131130 is an apocalyptic number.

207131130 is an abundant number, since it is smaller than the sum of its proper divisors (332963334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

207131130 is a wasteful number, since it uses less digits than its factorization.

207131130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6651 (or 6648 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 207131130 is about 14392.0509309827. The cubic root of 207131130 is about 591.6730545719.

Adding to 207131130 its reverse (31131702), we get a palindrome (238262832).

The spelling of 207131130 in words is "two hundred seven million, one hundred thirty-one thousand, one hundred thirty".