340051221013 has 6 divisors (see below), whose sum is σ = 395569787766. Its totient is φ = 291472475112.

The previous prime is 340051220981. The next prime is 340051221023. The reversal of 340051221013 is 310122150043.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 315099227569 + 24951993444 = 561337^2 + 157962^2 .

It is not a de Polignac number, because 340051221013 - 2⁵ = 340051220981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340051221023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3469910370 + ... + 3469910467.

It is an arithmetic number, because the mean of its divisors is an integer number (65928297961).

Almost surely, 2^340051221013 is an apocalyptic number.

It is an amenable number.

340051221013 is a deficient number, since it is larger than the sum of its proper divisors (55518566753).

340051221013 is an equidigital number, since it uses as much as digits as its factorization.

340051221013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6939820851 (or 6939820844 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 340051221013 its reverse (310122150043), we get a palindrome (650173371056).

The spelling of 340051221013 in words is "three hundred forty billion, fifty-one million, two hundred twenty-one thousand, thirteen".