213032120340 has 96 divisors (see below), whose sum is σ = 676182971520. Its totient is φ = 49678742016.

The previous prime is 213032120269. The next prime is 213032120447. The reversal of 213032120340 is 43021230312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7172499 + ... + 7202138.

It is an arithmetic number, because the mean of its divisors is an integer number (7043572620).

Almost surely, 2^213032120340 is an apocalyptic number.

213032120340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213032120340 is an abundant number, since it is smaller than the sum of its proper divisors (463150851180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213032120340 is a wasteful number, since it uses less digits than its factorization.

213032120340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14374681 (or 14374679 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 213032120340 its reverse (43021230312), we get a palindrome (256053350652).

The spelling of 213032120340 in words is "two hundred thirteen billion, thirty-two million, one hundred twenty thousand, three hundred forty".