130212331 has 4 divisors (see below), whose sum is σ = 131501664. Its totient is φ = 128923000.

The previous prime is 130212317. The next prime is 130212337. The reversal of 130212331 is 133212031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133212031 = 101 ⋅1318931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130212331 is a prime.

It is a super-2 number, since 2×130212331² = 33910502288907122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130212337) 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, 644515 + ... + 644716.

It is an arithmetic number, because the mean of its divisors is an integer number (32875416).

Almost surely, 2^130212331 is an apocalyptic number.

130212331 is a deficient number, since it is larger than the sum of its proper divisors (1289333).

130212331 is a wasteful number, since it uses less digits than its factorization.

130212331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289332.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 130212331 is about 11411.0617823233. The cubic root of 130212331 is about 506.8553533628.

Adding to 130212331 its reverse (133212031), we get a palindrome (263424362).

The spelling of 130212331 in words is "one hundred thirty million, two hundred twelve thousand, three hundred thirty-one".