131023231203 has 32 divisors (see below), whose sum is σ = 187847104000. Its totient is φ = 80985484800.

The previous prime is 131023231151. The next prime is 131023231219. The reversal of 131023231203 is 302132320131.

It is not a de Polignac number, because 131023231203 - 2¹⁶ = 131023165667 is a prime.

It is a super-2 number, since 2×131023231203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131023231203.

It is not an unprimeable number, because it can be changed into a prime (131023231103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 597243 + ... + 786603.

It is an arithmetic number, because the mean of its divisors is an integer number (5870222000).

Almost surely, 2^131023231203 is an apocalyptic number.

131023231203 is a deficient number, since it is larger than the sum of its proper divisors (56823872797).

131023231203 is a wasteful number, since it uses less digits than its factorization.

131023231203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189643.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 131023231203 its reverse (302132320131), we get a palindrome (433155551334).

The spelling of 131023231203 in words is "one hundred thirty-one billion, twenty-three million, two hundred thirty-one thousand, two hundred three".