213034133500 has 48 divisors (see below), whose sum is σ = 465334178400. Its totient is φ = 85201267200.

The previous prime is 213034133491. The next prime is 213034133519. The reversal of 213034133500 is 5331430312.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 15 ways as a sum of consecutive naturals, for example, 3914476 + ... + 3968524.

It is an arithmetic number, because the mean of its divisors is an integer number (9694462050).

Almost surely, 2^213034133500 is an apocalyptic number.

213034133500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213034133500 is an abundant number, since it is smaller than the sum of its proper divisors (252300044900).

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

213034133500 is a wasteful number, since it uses less digits than its factorization.

213034133500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61951 (or 61939 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 213034133500 its reverse (5331430312), we get a palindrome (218365563812).

It can be divided in two parts, 2130341 and 33500, that added together give a square (2163841 = 1471²).

The spelling of 213034133500 in words is "two hundred thirteen billion, thirty-four million, one hundred thirty-three thousand, five hundred".