20311332101 has 8 divisors (see below), whose sum is σ = 21433675200. Its totient is φ = 19194321600.

The previous prime is 20311332059. The next prime is 20311332109. The reversal of 20311332101 is 10123311302.

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 20311332101 - 2²² = 20307137797 is a prime.

It is a super-3 number, since 3×20311332101³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 20311332101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311332109) 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, 1325321 + ... + 1340558.

It is an arithmetic number, because the mean of its divisors is an integer number (2679209400).

Almost surely, 2^20311332101 is an apocalyptic number.

It is an amenable number.

20311332101 is a deficient number, since it is larger than the sum of its proper divisors (1122343099).

20311332101 is a wasteful number, since it uses less digits than its factorization.

20311332101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2666299.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 20311332101 its reverse (10123311302), we get a palindrome (30434643403).

The spelling of 20311332101 in words is "twenty billion, three hundred eleven million, three hundred thirty-two thousand, one hundred one".