20101131032223 has 8 divisors (see below), whose sum is σ = 27725697975600. Its totient is φ = 12938659055168.

The previous prime is 20101131032167. The next prime is 20101131032243. The reversal of 20101131032223 is 32223013110102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20101131032223 - 2³² = 20096836064927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20101131032223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101131032243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115523741478 + ... + 115523741651.

It is an arithmetic number, because the mean of its divisors is an integer number (3465712246950).

Almost surely, 2^{20101131032223} is an apocalyptic number.

20101131032223 is a deficient number, since it is larger than the sum of its proper divisors (7624566943377).

20101131032223 is a wasteful number, since it uses less digits than its factorization.

20101131032223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231047483161.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20101131032223 its reverse (32223013110102), we get a palindrome (52324144142325).

The spelling of 20101131032223 in words is "twenty trillion, one hundred one billion, one hundred thirty-one million, thirty-two thousand, two hundred twenty-three".