31214421431203 has 4 divisors (see below), whose sum is σ = 31590498797928. Its totient is φ = 30838344064480.

The previous prime is 31214421431147. The next prime is 31214421431233. The reversal of 31214421431203 is 30213412441213.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31214421431203 - 2¹⁷ = 31214421300131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31214421431233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188038683238 + ... + 188038683403.

It is an arithmetic number, because the mean of its divisors is an integer number (7897624699482).

Almost surely, 2^{31214421431203} is an apocalyptic number.

31214421431203 is a deficient number, since it is larger than the sum of its proper divisors (376077366725).

31214421431203 is an equidigital number, since it uses as much as digits as its factorization.

31214421431203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376077366724.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 31214421431203 its reverse (30213412441213), we get a palindrome (61427833872416).

The spelling of 31214421431203 in words is "thirty-one trillion, two hundred fourteen billion, four hundred twenty-one million, four hundred thirty-one thousand, two hundred three".