213033400024 has 32 divisors (see below), whose sum is σ = 424780891200. Its totient is φ = 99813219840.

The previous prime is 213033399979. The next prime is 213033400061. The reversal of 213033400024 is 420004330312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213033399968 and 213033400004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3388992 + ... + 3451279.

It is an arithmetic number, because the mean of its divisors is an integer number (13274402850).

Almost surely, 2^213033400024 is an apocalyptic number.

It is an amenable number.

213033400024 is a deficient number, since it is larger than the sum of its proper divisors (211747491176).

213033400024 is a wasteful number, since it uses less digits than its factorization.

213033400024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840523 (or 6840519 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 213033400024 its reverse (420004330312), we get a palindrome (633037730336).

The spelling of 213033400024 in words is "two hundred thirteen billion, thirty-three million, four hundred thousand, twenty-four".