231201133313 has 4 divisors (see below), whose sum is σ = 231260987328. Its totient is φ = 231141279300.

The previous prime is 231201133307. The next prime is 231201133351. The reversal of 231201133313 is 313331102132.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 231201133313 - 2¹⁸ = 231200871169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231201133363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29921213 + ... + 29928938.

It is an arithmetic number, because the mean of its divisors is an integer number (57815246832).

Almost surely, 2^231201133313 is an apocalyptic number.

It is an amenable number.

231201133313 is a deficient number, since it is larger than the sum of its proper divisors (59854015).

231201133313 is an equidigital number, since it uses as much as digits as its factorization.

231201133313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59854014.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 231201133313 its reverse (313331102132), we get a palindrome (544532235445).

The spelling of 231201133313 in words is "two hundred thirty-one billion, two hundred one million, one hundred thirty-three thousand, three hundred thirteen".