131001321003 has 48 divisors (see below), whose sum is σ = 219715421184. Its totient is φ = 68955398400.

The previous prime is 131001320987. The next prime is 131001321013. The reversal of 131001321003 is 300123100131.

It is not a de Polignac number, because 131001321003 - 2⁴ = 131001320987 is a prime.

It is a super-2 number, since 2×131001321003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131001321013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 440223 + ... + 675128.

It is an arithmetic number, because the mean of its divisors is an integer number (4577404608).

Almost surely, 2^131001321003 is an apocalyptic number.

131001321003 is a deficient number, since it is larger than the sum of its proper divisors (88714100181).

131001321003 is a wasteful number, since it uses less digits than its factorization.

131001321003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115432 (or 1115425 counting only the distinct ones).

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

Adding to 131001321003 its reverse (300123100131), we get a palindrome (431124421134).

The spelling of 131001321003 in words is "one hundred thirty-one billion, one million, three hundred twenty-one thousand, three".