213102243040 has 48 divisors (see below), whose sum is σ = 504709697520. Its totient is φ = 85028300800.

The previous prime is 213102243001. The next prime is 213102243041. The reversal of 213102243040 is 40342201312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213102243041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1596550 + ... + 1724869.

It is an arithmetic number, because the mean of its divisors is an integer number (10514785365).

Almost surely, 2^213102243040 is an apocalyptic number.

213102243040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213102243040 is an abundant number, since it is smaller than the sum of its proper divisors (291607454480).

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

213102243040 is a wasteful number, since it uses less digits than its factorization.

213102243040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3321835 (or 3321827 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 213102243040 its reverse (40342201312), we get a palindrome (253444444352).

The spelling of 213102243040 in words is "two hundred thirteen billion, one hundred two million, two hundred forty-three thousand, forty".