131100207 has 16 divisors (see below), whose sum is σ = 208458240. Its totient is φ = 71656992.

The previous prime is 131100199. The next prime is 131100223. The reversal of 131100207 is 702001131.

It is not a de Polignac number, because 131100207 - 2³ = 131100199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131100257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135232 + ... + 136197.

It is an arithmetic number, because the mean of its divisors is an integer number (13028640).

Almost surely, 2^131100207 is an apocalyptic number.

131100207 is a deficient number, since it is larger than the sum of its proper divisors (77358033).

131100207 is a wasteful number, since it uses less digits than its factorization.

131100207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271462.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 131100207 is about 11449.8998685578. The cubic root of 131100207 is about 508.0047726730.

Adding to 131100207 its reverse (702001131), we get a palindrome (833101338).

The spelling of 131100207 in words is "one hundred thirty-one million, one hundred thousand, two hundred seven".