131303112320233 has 4 divisors (see below), whose sum is σ = 150060699794560. Its totient is φ = 112545524845908.

The previous prime is 131303112320213. The next prime is 131303112320249. The reversal of 131303112320233 is 332023211303131.

It is a happy number.

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 not a de Polignac number, because 131303112320233 - 2¹³ = 131303112312041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131303112320213) 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, 9378793737153 + ... + 9378793737166.

It is an arithmetic number, because the mean of its divisors is an integer number (37515174948640).

Almost surely, 2^{131303112320233} is an apocalyptic number.

It is an amenable number.

131303112320233 is a deficient number, since it is larger than the sum of its proper divisors (18757587474327).

131303112320233 is an equidigital number, since it uses as much as digits as its factorization.

131303112320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18757587474326.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 131303112320233 its reverse (332023211303131), we get a palindrome (463326323623364).

The spelling of 131303112320233 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twelve million, three hundred twenty thousand, two hundred thirty-three".