133103331031 has 4 divisors (see below), whose sum is σ = 145203633864. Its totient is φ = 121003028200.

The previous prime is 133103331007. The next prime is 133103331037. The reversal of 133103331031 is 130133301331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133103331031 - 2¹⁹ = 133102806743 is a prime.

It is a super-2 number, since 2×133103331031² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133103330993 and 133103331011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133103331037) 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, 6050151400 + ... + 6050151421.

It is an arithmetic number, because the mean of its divisors is an integer number (36300908466).

Almost surely, 2^133103331031 is an apocalyptic number.

133103331031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133103331031 is a deficient number, since it is larger than the sum of its proper divisors (12100302833).

133103331031 is a wasteful number, since it uses less digits than its factorization.

133103331031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100302832.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 133103331031 its reverse (130133301331), we get a palindrome (263236632362).

The spelling of 133103331031 in words is "one hundred thirty-three billion, one hundred three million, three hundred thirty-one thousand, thirty-one".