131403321303 has 8 divisors (see below), whose sum is σ = 176905442688. Its totient is φ = 86751707064.

The previous prime is 131403321289. The next prime is 131403321307. The reversal of 131403321303 is 303123304131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131403321303 - 2¹² = 131403317207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131403321307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212626425 + ... + 212627042.

It is an arithmetic number, because the mean of its divisors is an integer number (22113180336).

Almost surely, 2^131403321303 is an apocalyptic number.

131403321303 is a deficient number, since it is larger than the sum of its proper divisors (45502121385).

131403321303 is a wasteful number, since it uses less digits than its factorization.

131403321303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425253573.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 131403321303 its reverse (303123304131), we get a palindrome (434526625434).

The spelling of 131403321303 in words is "one hundred thirty-one billion, four hundred three million, three hundred twenty-one thousand, three hundred three".