20313323101 has 4 divisors (see below), whose sum is σ = 20315130304. Its totient is φ = 20311515900.

The previous prime is 20313323089. The next prime is 20313323113. The reversal of 20313323101 is 10132331302.

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 an interprime number because it is at equal distance from previous prime (20313323089) and next prime (20313323113).

It is a cyclic number.

It is not a de Polignac number, because 20313323101 - 2²³ = 20304934493 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 (20313323131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886635 + ... + 909256.

It is an arithmetic number, because the mean of its divisors is an integer number (5078782576).

Almost surely, 2^20313323101 is an apocalyptic number.

It is an amenable number.

20313323101 is a deficient number, since it is larger than the sum of its proper divisors (1807203).

20313323101 is a wasteful number, since it uses less digits than its factorization.

20313323101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807202.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20313323101 its reverse (10132331302), we get a palindrome (30445654403).

The spelling of 20313323101 in words is "twenty billion, three hundred thirteen million, three hundred twenty-three thousand, one hundred one".