340502213125 has 20 divisors (see below), whose sum is σ = 440163711900. Its totient is φ = 263008592000.

The previous prime is 340502213113. The next prime is 340502213209. The reversal of 340502213125 is 521312205043.

It can be written as a sum of positive squares in 10 ways, for example, as 180427004289 + 160075208836 = 424767^2 + 400094^2 .

It is not a de Polignac number, because 340502213125 - 2⁹ = 340502212613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340502213093 and 340502213102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9375040 + ... + 9411289.

It is an arithmetic number, because the mean of its divisors is an integer number (22008185595).

Almost surely, 2^340502213125 is an apocalyptic number.

It is an amenable number.

340502213125 is a deficient number, since it is larger than the sum of its proper divisors (99661498775).

340502213125 is an equidigital number, since it uses as much as digits as its factorization.

340502213125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18786378 (or 18786363 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 340502213125 its reverse (521312205043), we get a palindrome (861814418168).

The spelling of 340502213125 in words is "three hundred forty billion, five hundred two million, two hundred thirteen thousand, one hundred twenty-five".