131133202031 has 4 divisors (see below), whose sum is σ = 141220371432. Its totient is φ = 121046032632.

The previous prime is 131133202001. The next prime is 131133202033. The reversal of 131133202031 is 130202331131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130202331131 = 4651 ⋅27994481.

It is a cyclic number.

It is not a de Polignac number, because 131133202031 - 2¹⁰ = 131133201007 is a prime.

It is a super-2 number, since 2×131133202031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131133201994 and 131133202012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131133202033) 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, 5043584681 + ... + 5043584706.

It is an arithmetic number, because the mean of its divisors is an integer number (35305092858).

Almost surely, 2^131133202031 is an apocalyptic number.

131133202031 is a deficient number, since it is larger than the sum of its proper divisors (10087169401).

131133202031 is a wasteful number, since it uses less digits than its factorization.

131133202031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087169400.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131133202031 its reverse (130202331131), we get a palindrome (261335533162).

The spelling of 131133202031 in words is "one hundred thirty-one billion, one hundred thirty-three million, two hundred two thousand, thirty-one".