131232311003 has 16 divisors (see below), whose sum is σ = 140228718720. Its totient is φ = 122445582336.

The previous prime is 131232310999. The next prime is 131232311047. The reversal of 131232311003 is 300113232131.

It is a cyclic number.

It is not a de Polignac number, because 131232311003 - 2² = 131232310999 is a prime.

It is a super-2 number, since 2×131232311003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131232311083) 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, 12198875 + ... + 12209627.

It is an arithmetic number, because the mean of its divisors is an integer number (8764294920).

Almost surely, 2^131232311003 is an apocalyptic number.

131232311003 is a deficient number, since it is larger than the sum of its proper divisors (8996407717).

131232311003 is a wasteful number, since it uses less digits than its factorization.

131232311003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20426.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 131232311003 its reverse (300113232131), we get a palindrome (431345543134).

The spelling of 131232311003 in words is "one hundred thirty-one billion, two hundred thirty-two million, three hundred eleven thousand, three".