31432131421303 has 8 divisors (see below), whose sum is σ = 31487979242720. Its totient is φ = 31376295388800.

The previous prime is 31432131421289. The next prime is 31432131421309. The reversal of 31432131421303 is 30312413123413.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31432131421303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31432131421309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2398603 + ... + 8283571.

It is an arithmetic number, because the mean of its divisors is an integer number (3935997405340).

Almost surely, 2^{31432131421303} is an apocalyptic number.

31432131421303 is a deficient number, since it is larger than the sum of its proper divisors (55847821417).

31432131421303 is an equidigital number, since it uses as much as digits as its factorization.

31432131421303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894457.

The product of its (nonzero) digits is 15552, while the sum is 31.

Adding to 31432131421303 its reverse (30312413123413), we get a palindrome (61744544544716).

The spelling of 31432131421303 in words is "thirty-one trillion, four hundred thirty-two billion, one hundred thirty-one million, four hundred twenty-one thousand, three hundred three".