312220130101 has 4 divisors (see below), whose sum is σ = 340603778304. Its totient is φ = 283836481900.

The previous prime is 312220130099. The next prime is 312220130111. The reversal of 312220130101 is 101031022213.

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 312220130101 - 2¹ = 312220130099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312220130111) 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, 14191824085 + ... + 14191824106.

It is an arithmetic number, because the mean of its divisors is an integer number (85150944576).

Almost surely, 2^312220130101 is an apocalyptic number.

It is an amenable number.

312220130101 is a deficient number, since it is larger than the sum of its proper divisors (28383648203).

312220130101 is a wasteful number, since it uses less digits than its factorization.

312220130101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28383648202.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 312220130101 its reverse (101031022213), we get a palindrome (413251152314).

The spelling of 312220130101 in words is "three hundred twelve billion, two hundred twenty million, one hundred thirty thousand, one hundred one".