131103121033 has 8 divisors (see below), whose sum is σ = 135642012480. Its totient is φ = 126565435920.

The previous prime is 131103121021. The next prime is 131103121081. The reversal of 131103121033 is 330121301131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131103121033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131103121033.

It is not an unprimeable number, because it can be changed into a prime (131103121133) 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, 77635 + ... + 517912.

It is an arithmetic number, because the mean of its divisors is an integer number (16955251560).

Almost surely, 2^131103121033 is an apocalyptic number.

It is an amenable number.

131103121033 is a deficient number, since it is larger than the sum of its proper divisors (4538891447).

131103121033 is an equidigital number, since it uses as much as digits as its factorization.

131103121033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603167.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 131103121033 its reverse (330121301131), we get a palindrome (461224422164).

The spelling of 131103121033 in words is "one hundred thirty-one billion, one hundred three million, one hundred twenty-one thousand, thirty-three".