213031402003244 has 48 divisors (see below), whose sum is σ = 411009687889920. Its totient is φ = 95806047567360.

The previous prime is 213031402003243. The next prime is 213031402003249. The reversal of 213031402003244 is 442300204130312.

It is not an unprimeable number, because it can be changed into a prime (213031402003243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7215917 + ... + 21866235.

It is an arithmetic number, because the mean of its divisors is an integer number (8562701831040).

Almost surely, 2^{213031402003244} is an apocalyptic number.

It is an amenable number.

213031402003244 is a deficient number, since it is larger than the sum of its proper divisors (197978285886676).

213031402003244 is a wasteful number, since it uses less digits than its factorization.

213031402003244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14653838 (or 14653836 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 213031402003244 its reverse (442300204130312), we get a palindrome (655331606133556).

The spelling of 213031402003244 in words is "two hundred thirteen trillion, thirty-one billion, four hundred two million, three thousand, two hundred forty-four".