131103001032021 has 24 divisors (see below), whose sum is σ = 190534460432160. Its totient is φ = 86865029060256.

The previous prime is 131103001031999. The next prime is 131103001032049. The reversal of 131103001032021 is 120230100301131.

131103001032021 is a `hidden beast` number, since 1 + 3 + 1 + 10 + 300 + 10 + 320 + 21 = 666.

It is not a de Polignac number, because 131103001032021 - 2¹⁸ = 131103000769877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131103001031985 and 131103001032003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131103001032721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202352890 + ... + 202999748.

It is an arithmetic number, because the mean of its divisors is an integer number (7938935851340).

Almost surely, 2^{131103001032021} is an apocalyptic number.

It is an amenable number.

131103001032021 is a deficient number, since it is larger than the sum of its proper divisors (59431459400139).

131103001032021 is a wasteful number, since it uses less digits than its factorization.

131103001032021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785185 (or 785182 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 131103001032021 its reverse (120230100301131), we get a palindrome (251333101333152).

The spelling of 131103001032021 in words is "one hundred thirty-one trillion, one hundred three billion, one million, thirty-two thousand, twenty-one".