20113231101332 has 6 divisors (see below), whose sum is σ = 35198154427338. Its totient is φ = 10056615550664.

The previous prime is 20113231101329. The next prime is 20113231101367. The reversal of 20113231101332 is 23310113231102.

It can be written as a sum of positive squares in only one way, i.e., 13390432578436 + 6722798522896 = 3659294^2 + 2592836^2 .

It is a super-3 number, since 3×20113231101332³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20113231101298 and 20113231101307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2514153887663 + ... + 2514153887670.

It is an arithmetic number, because the mean of its divisors is an integer number (5866359071223).

Almost surely, 2^{20113231101332} is an apocalyptic number.

It is an amenable number.

20113231101332 is a deficient number, since it is larger than the sum of its proper divisors (15084923326006).

20113231101332 is a wasteful number, since it uses less digits than its factorization.

20113231101332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028307775337 (or 5028307775335 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 20113231101332 its reverse (23310113231102), we get a palindrome (43423344332434).

The spelling of 20113231101332 in words is "twenty trillion, one hundred thirteen billion, two hundred thirty-one million, one hundred one thousand, three hundred thirty-two".