131422011 has 16 divisors (see below), whose sum is σ = 204524544. Its totient is φ = 73499904.

The previous prime is 131422009. The next prime is 131422021. The reversal of 131422011 is 110224131.

It is not a de Polignac number, because 131422011 - 2¹ = 131422009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131422021) 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, 65590 + ... + 67563.

It is an arithmetic number, because the mean of its divisors is an integer number (12782784).

Almost surely, 2^131422011 is an apocalyptic number.

131422011 is a deficient number, since it is larger than the sum of its proper divisors (73102533).

131422011 is a wasteful number, since it uses less digits than its factorization.

131422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133210.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 131422011 is about 11463.9439548525. The cubic root of 131422011 is about 508.4200895612.

Adding to 131422011 its reverse (110224131), we get a palindrome (241646142).

The spelling of 131422011 in words is "one hundred thirty-one million, four hundred twenty-two thousand, eleven".