312253523101 has 4 divisors (see below), whose sum is σ = 336273024892. Its totient is φ = 288234021312.

The previous prime is 312253523093. The next prime is 312253523123. The reversal of 312253523101 is 101325352213.

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

It can be written as a sum of positive squares in 2 ways, for example, as 167645208025 + 144608315076 = 409445^2 + 380274^2 .

It is a cyclic number.

It is not a de Polignac number, because 312253523101 - 2³ = 312253523093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 312253523101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312253523171) 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, 12009750876 + ... + 12009750901.

It is an arithmetic number, because the mean of its divisors is an integer number (84068256223).

Almost surely, 2^312253523101 is an apocalyptic number.

It is an amenable number.

312253523101 is a deficient number, since it is larger than the sum of its proper divisors (24019501791).

312253523101 is a wasteful number, since it uses less digits than its factorization.

312253523101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24019501790.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 312253523101 its reverse (101325352213), we get a palindrome (413578875314).

The spelling of 312253523101 in words is "three hundred twelve billion, two hundred fifty-three million, five hundred twenty-three thousand, one hundred one".