130031211 has 4 divisors (see below), whose sum is σ = 173374952. Its totient is φ = 86687472.

The previous prime is 130031197. The next prime is 130031233. The reversal of 130031211 is 112130031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 130031211 - 2¹⁷ = 129900139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130031311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21671866 + ... + 21671871.

It is an arithmetic number, because the mean of its divisors is an integer number (43343738).

Almost surely, 2^130031211 is an apocalyptic number.

130031211 is a deficient number, since it is larger than the sum of its proper divisors (43343741).

130031211 is an equidigital number, since it uses as much as digits as its factorization.

130031211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43343740.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 130031211 is about 11403.1228617427. The cubic root of 130031211 is about 506.6202393304.

Adding to 130031211 its reverse (112130031), we get a palindrome (242161242).

The spelling of 130031211 in words is "one hundred thirty million, thirty-one thousand, two hundred eleven".