131351533031333 has 64 divisors (see below), whose sum is σ = 145667262513600. Its totient is φ = 117880661606400.

The previous prime is 131351533031221. The next prime is 131351533031347. The reversal of 131351533031333 is 333130335153131.

It can be written as a sum of positive squares in 32 ways, for example, as 3700921793284 + 127650611238049 = 1923778^2 + 11298257^2 .

It is a cyclic number.

It is not a de Polignac number, because 131351533031333 - 2¹² = 131351533027237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131351533031393) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40328992241 + ... + 40328995497.

It is an arithmetic number, because the mean of its divisors is an integer number (2276050976775).

Almost surely, 2^{131351533031333} is an apocalyptic number.

It is an amenable number.

131351533031333 is a deficient number, since it is larger than the sum of its proper divisors (14315729482267).

131351533031333 is a wasteful number, since it uses less digits than its factorization.

131351533031333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5210.

The product of its (nonzero) digits is 164025, while the sum is 38.

Adding to 131351533031333 its reverse (333130335153131), we get a palindrome (464481868184464).

The spelling of 131351533031333 in words is "one hundred thirty-one trillion, three hundred fifty-one billion, five hundred thirty-three million, thirty-one thousand, three hundred thirty-three".