131403234121203 has 16 divisors (see below), whose sum is σ = 191132403278976. Its totient is φ = 79638146053440.

The previous prime is 131403234121177. The next prime is 131403234121219. The reversal of 131403234121203 is 302121432304131.

It is not a de Polignac number, because 131403234121203 - 2⁶ = 131403234121139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131403234121283) 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, 11421276 + ... + 19830582.

It is an arithmetic number, because the mean of its divisors is an integer number (11945775204936).

Almost surely, 2^{131403234121203} is an apocalyptic number.

131403234121203 is a deficient number, since it is larger than the sum of its proper divisors (59729169157773).

131403234121203 is a wasteful number, since it uses less digits than its factorization.

131403234121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882834.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 131403234121203 its reverse (302121432304131), we get a palindrome (433524666425334).

The spelling of 131403234121203 in words is "one hundred thirty-one trillion, four hundred three billion, two hundred thirty-four million, one hundred twenty-one thousand, two hundred three".