131233011 has 16 divisors (see below), whose sum is σ = 215357184. Its totient is φ = 69221664.

The previous prime is 131232931. The next prime is 131233027. The reversal of 131233011 is 110332131.

It is not a de Polignac number, because 131233011 - 2⁹ = 131232499 is a prime.

It is a super-2 number, since 2×131233011² = 34444206352252242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131233031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240081 + ... + 240626.

It is an arithmetic number, because the mean of its divisors is an integer number (13459824).

Almost surely, 2^131233011 is an apocalyptic number.

131233011 is a deficient number, since it is larger than the sum of its proper divisors (84124173).

131233011 is a wasteful number, since it uses less digits than its factorization.

131233011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480730.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 131233011 is about 11455.6977526469. The cubic root of 131233011 is about 508.1762504039.

Adding to 131233011 its reverse (110332131), we get a palindrome (241565142).

The spelling of 131233011 in words is "one hundred thirty-one million, two hundred thirty-three thousand, eleven".