801811082131 has 8 divisors (see below), whose sum is σ = 836690722560. Its totient is φ = 766932965832.

The previous prime is 801811082129. The next prime is 801811082197. The reversal of 801811082131 is 131280118108.

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 801811082131 - 2¹ = 801811082129 is a prime.

It is a super-2 number, since 2×801811082131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801811002131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767730 + ... + 1480888.

It is an arithmetic number, because the mean of its divisors is an integer number (104586340320).

Almost surely, 2^801811082131 is an apocalyptic number.

801811082131 is a deficient number, since it is larger than the sum of its proper divisors (34879640429).

801811082131 is a wasteful number, since it uses less digits than its factorization.

801811082131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762065.

The product of its (nonzero) digits is 3072, while the sum is 34.

The spelling of 801811082131 in words is "eight hundred one billion, eight hundred eleven million, eighty-two thousand, one hundred thirty-one".