213434035340 has 12 divisors (see below), whose sum is σ = 448211474256. Its totient is φ = 85373614128.

The previous prime is 213434035327. The next prime is 213434035439. The reversal of 213434035340 is 43530434312.

It is a junction number, because it is equal to n+sod(n) for n = 213434035297 and 213434035306.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5335850864 + ... + 5335850903.

It is an arithmetic number, because the mean of its divisors is an integer number (37350956188).

Almost surely, 2^213434035340 is an apocalyptic number.

213434035340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213434035340 is an abundant number, since it is smaller than the sum of its proper divisors (234777438916).

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

213434035340 is a wasteful number, since it uses less digits than its factorization.

213434035340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10671701776 (or 10671701774 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 32.

Adding to 213434035340 its reverse (43530434312), we get a palindrome (256964469652).

The spelling of 213434035340 in words is "two hundred thirteen billion, four hundred thirty-four million, thirty-five thousand, three hundred forty".