31243433434213 has 32 divisors (see below), whose sum is σ = 41950000576512. Its totient is φ = 22472383953600.

The previous prime is 31243433434123. The next prime is 31243433434229.

31243433434213 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31243433434213 - 2¹⁷ = 31243433303141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31243433434243) 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, 60245248 + ... + 60761638.

It is an arithmetic number, because the mean of its divisors is an integer number (1310937518016).

Almost surely, 2^{31243433434213} is an apocalyptic number.

It is an amenable number.

31243433434213 is a deficient number, since it is larger than the sum of its proper divisors (10706567142299).

31243433434213 is a wasteful number, since it uses less digits than its factorization.

31243433434213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576865.

The product of its digits is 746496, while the sum is 40.

It can be divided in two parts, 3124343 and 3434213, that added together give a palindrome (6558556).

The spelling of 31243433434213 in words is "thirty-one trillion, two hundred forty-three billion, four hundred thirty-three million, four hundred thirty-four thousand, two hundred thirteen".