315553621644233 has 4 divisors (see below), whose sum is σ = 360632710450560. Its totient is φ = 270474532837908.

The previous prime is 315553621644227. The next prime is 315553621644259. The reversal of 315553621644233 is 332446126355513.

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 315553621644233 - 2⁴⁰ = 314454110016457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315553621641233) 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, 22539544403153 + ... + 22539544403166.

It is an arithmetic number, because the mean of its divisors is an integer number (90158177612640).

Almost surely, 2^{315553621644233} is an apocalyptic number.

It is an amenable number.

315553621644233 is a deficient number, since it is larger than the sum of its proper divisors (45079088806327).

315553621644233 is an equidigital number, since it uses as much as digits as its factorization.

315553621644233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45079088806326.

The product of its digits is 23328000, while the sum is 53.

Adding to 315553621644233 its reverse (332446126355513), we get a palindrome (647999747999746).

The spelling of 315553621644233 in words is "three hundred fifteen trillion, five hundred fifty-three billion, six hundred twenty-one million, six hundred forty-four thousand, two hundred thirty-three".