213202231000 has 128 divisors (see below), whose sum is σ = 548166528000. Its totient is φ = 76969776000.

The previous prime is 213202230973. The next prime is 213202231027. The reversal of 213202231000 is 132202312.

It is an interprime number because it is at equal distance from previous prime (213202230973) and next prime (213202231027).

It is a super-2 number, since 2×213202231000² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1459281 + ... + 1598719.

It is an arithmetic number, because the mean of its divisors is an integer number (4282551000).

Almost surely, 2^213202231000 is an apocalyptic number.

213202231000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213202231000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274083264000).

213202231000 is an abundant number, since it is smaller than the sum of its proper divisors (334964297000).

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

213202231000 is a wasteful number, since it uses less digits than its factorization.

213202231000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139610 (or 139596 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 213202231000 its reverse (132202312), we get a palindrome (213334433312).

The spelling of 213202231000 in words is "two hundred thirteen billion, two hundred two million, two hundred thirty-one thousand".