131323011 has 16 divisors (see below), whose sum is σ = 185670144. Its totient is φ = 82277504.

The previous prime is 131323009. The next prime is 131323013. The reversal of 131323011 is 110323131.

It is an interprime number because it is at equal distance from previous prime (131323009) and next prime (131323013).

It is a cyclic number.

It is not a de Polignac number, because 131323011 - 2¹ = 131323009 is a prime.

It is a super-2 number, since 2×131323011² = 34491466436212242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131323013) 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, 43786 + ... + 46688.

It is an arithmetic number, because the mean of its divisors is an integer number (11604384).

Almost surely, 2^131323011 is an apocalyptic number.

131323011 is a deficient number, since it is larger than the sum of its proper divisors (54347133).

131323011 is a wasteful number, since it uses less digits than its factorization.

131323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810.

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

The square root of 131323011 is about 11459.6252556530. The cubic root of 131323011 is about 508.2923934660.

Adding to 131323011 its reverse (110323131), we get a palindrome (241646142).

The spelling of 131323011 in words is "one hundred thirty-one million, three hundred twenty-three thousand, eleven".