131133001133 has 4 divisors (see below), whose sum is σ = 138846707100. Its totient is φ = 123419295168.

The previous prime is 131133001127. The next prime is 131133001147. The reversal of 131133001133 is 331100331131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331100331131 = 72077 ⋅4593703.

It can be written as a sum of positive squares in 2 ways, for example, as 118173000169 + 12960000964 = 343763^2 + 113842^2 .

It is a cyclic number.

It is not a de Polignac number, because 131133001133 - 2²⁰ = 131131952557 is a prime.

It is a super-2 number, since 2×131133001133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133001333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3856852958 + ... + 3856852991.

It is an arithmetic number, because the mean of its divisors is an integer number (34711676775).

Almost surely, 2^131133001133 is an apocalyptic number.

It is an amenable number.

131133001133 is a deficient number, since it is larger than the sum of its proper divisors (7713705967).

131133001133 is an equidigital number, since it uses as much as digits as its factorization.

131133001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7713705966.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 131133001133 its reverse (331100331131), we get a palindrome (462233332264).

The spelling of 131133001133 in words is "one hundred thirty-one billion, one hundred thirty-three million, one thousand, one hundred thirty-three".