131103312020033 has 32 divisors (see below), whose sum is σ = 141350921994240. Its totient is φ = 121300693747200.

The previous prime is 131103312019993. The next prime is 131103312020053. The reversal of 131103312020033 is 330020213301131.

It is not a de Polignac number, because 131103312020033 - 2⁴⁶ = 60734567842369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131103312019990 and 131103312020008.

It is not an unprimeable number, because it can be changed into a prime (131103312020053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74522708 + ... + 76261658.

It is an arithmetic number, because the mean of its divisors is an integer number (4417216312320).

Almost surely, 2^{131103312020033} is an apocalyptic number.

It is an amenable number.

131103312020033 is a deficient number, since it is larger than the sum of its proper divisors (10247609974207).

131103312020033 is a wasteful number, since it uses less digits than its factorization.

131103312020033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739837.

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

Adding to 131103312020033 its reverse (330020213301131), we get a palindrome (461123525321164).

The spelling of 131103312020033 in words is "one hundred thirty-one trillion, one hundred three billion, three hundred twelve million, twenty thousand, thirty-three".