20132231133131 has 8 divisors (see below), whose sum is σ = 21883489198704. Its totient is φ = 18409919482080.

The previous prime is 20132231133107. The next prime is 20132231133191. The reversal of 20132231133131 is 13133113223102.

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 20132231133131 - 2²² = 20132226938827 is a prime.

It is a super-2 number, since 2×20132231133131² (a number of 27 digits) contains 22 as substring.

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 20132231133131.

It is not an unprimeable number, because it can be changed into a prime (20132231133101) 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, 7236602180 + ... + 7236604961.

It is an arithmetic number, because the mean of its divisors is an integer number (2735436149838).

Almost surely, 2^{20132231133131} is an apocalyptic number.

20132231133131 is a deficient number, since it is larger than the sum of its proper divisors (1751258065573).

20132231133131 is a wasteful number, since it uses less digits than its factorization.

20132231133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14473207261.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 20132231133131 its reverse (13133113223102), we get a palindrome (33265344356233).

The spelling of 20132231133131 in words is "twenty trillion, one hundred thirty-two billion, two hundred thirty-one million, one hundred thirty-three thousand, one hundred thirty-one".