20313223101 has 12 divisors (see below), whose sum is σ = 30353092380. Its totient is φ = 13075177920.

The previous prime is 20313223079. The next prime is 20313223111. The reversal of 20313223101 is 10132231302.

20313223101 is a `hidden beast` number, since 2 + 0 + 31 + 322 + 310 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14520491001 + 5792732100 = 120501^2 + 76110^2 .

It is not a de Polignac number, because 20313223101 - 2²⁶ = 20246114237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313223111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38913960 + ... + 38914481.

It is an arithmetic number, because the mean of its divisors is an integer number (2529424365).

Almost surely, 2^20313223101 is an apocalyptic number.

It is an amenable number.

20313223101 is a deficient number, since it is larger than the sum of its proper divisors (10039869279).

20313223101 is a wasteful number, since it uses less digits than its factorization.

20313223101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77828476 (or 77828473 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 20313223101 its reverse (10132231302), we get a palindrome (30445454403).

The spelling of 20313223101 in words is "twenty billion, three hundred thirteen million, two hundred twenty-three thousand, one hundred one".