20331012033131 has 8 divisors (see below), whose sum is σ = 20704884771984. Its totient is φ = 19959210612000.

The previous prime is 20331012033127. The next prime is 20331012033173. The reversal of 20331012033131 is 13133021013302.

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 20331012033131 - 2² = 20331012033127 is a prime.

It is a super-2 number, since 2×20331012033131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20331012033097 and 20331012033106.

It is not an unprimeable number, because it can be changed into a prime (20331012033331) 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, 517809620 + ... + 517848881.

It is an arithmetic number, because the mean of its divisors is an integer number (2588110596498).

Almost surely, 2^{20331012033131} is an apocalyptic number.

20331012033131 is a deficient number, since it is larger than the sum of its proper divisors (373872738853).

20331012033131 is a wasteful number, since it uses less digits than its factorization.

20331012033131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035658861.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20331012033131 its reverse (13133021013302), we get a palindrome (33464033046433).

The spelling of 20331012033131 in words is "twenty trillion, three hundred thirty-one billion, twelve million, thirty-three thousand, one hundred thirty-one".