131403330231 has 32 divisors (see below), whose sum is σ = 185518080000. Its totient is φ = 82501237728.

The previous prime is 131403330229. The next prime is 131403330277. The reversal of 131403330231 is 132033304131.

It is a happy number.

It is not a de Polignac number, because 131403330231 - 2¹ = 131403330229 is a prime.

It is a super-2 number, since 2×131403330231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403330281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8152126 + ... + 8168228.

It is an arithmetic number, because the mean of its divisors is an integer number (5797440000).

Almost surely, 2^131403330231 is an apocalyptic number.

131403330231 is a deficient number, since it is larger than the sum of its proper divisors (54114749769).

131403330231 is a wasteful number, since it uses less digits than its factorization.

131403330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16963.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131403330231 its reverse (132033304131), we get a palindrome (263436634362).

The spelling of 131403330231 in words is "one hundred thirty-one billion, four hundred three million, three hundred thirty thousand, two hundred thirty-one".