131211013133311 has 16 divisors (see below), whose sum is σ = 138594456275968. Its totient is φ = 124024538534400.

The previous prime is 131211013133309. The next prime is 131211013133341. The reversal of 131211013133311 is 113331310112131.

It is a cyclic number.

It is not a de Polignac number, because 131211013133311 - 2¹ = 131211013133309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131211013133341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264135076 + ... + 264631366.

It is an arithmetic number, because the mean of its divisors is an integer number (8662153517248).

Almost surely, 2^{131211013133311} is an apocalyptic number.

131211013133311 is a deficient number, since it is larger than the sum of its proper divisors (7383443142657).

131211013133311 is a wasteful number, since it uses less digits than its factorization.

131211013133311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694702.

The product of its (nonzero) digits is 486, while the sum is 25.

Adding to 131211013133311 its reverse (113331310112131), we get a palindrome (244542323245442).

The spelling of 131211013133311 in words is "one hundred thirty-one trillion, two hundred eleven billion, thirteen million, one hundred thirty-three thousand, three hundred eleven".