131033130321021 has 8 divisors (see below), whose sum is σ = 174758174726304. Its totient is φ = 87331753064880.

The previous prime is 131033130320993. The next prime is 131033130321031. The reversal of 131033130321021 is 120123031330131.

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

It is not a de Polignac number, because 131033130321021 - 2⁶ = 131033130320957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131033130320982 and 131033130321000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131033130321031) 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, 5916774366 + ... + 5916796511.

It is an arithmetic number, because the mean of its divisors is an integer number (21844771840788).

Almost surely, 2^{131033130321021} is an apocalyptic number.

It is an amenable number.

131033130321021 is a deficient number, since it is larger than the sum of its proper divisors (43725044405283).

131033130321021 is a wasteful number, since it uses less digits than its factorization.

131033130321021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833574571.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 131033130321021 its reverse (120123031330131), we get a palindrome (251156161651152).

The spelling of 131033130321021 in words is "one hundred thirty-one trillion, thirty-three billion, one hundred thirty million, three hundred twenty-one thousand, twenty-one".