131120321003 has 32 divisors (see below), whose sum is σ = 159808940928. Its totient is φ = 105018163200.

The previous prime is 131120320997. The next prime is 131120321023. The reversal of 131120321003 is 300123021131.

It is a cyclic number.

It is not a de Polignac number, because 131120321003 - 2¹² = 131120316907 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (131120321023) 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, 13801751 + ... + 13811247.

It is an arithmetic number, because the mean of its divisors is an integer number (4994029404).

Almost surely, 2^131120321003 is an apocalyptic number.

131120321003 is a deficient number, since it is larger than the sum of its proper divisors (28688619925).

131120321003 is a wasteful number, since it uses less digits than its factorization.

131120321003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10343.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 131120321003 its reverse (300123021131), we get a palindrome (431243342134).

The spelling of 131120321003 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred twenty-one thousand, three".