616051521350231 has 2 divisors, whose sum is σ = 616051521350232. Its totient is φ = 616051521350230.

The previous prime is 616051521350207. The next prime is 616051521350249. The reversal of 616051521350231 is 132053125150616.

616051521350231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-616051521350231 is a prime.

It is a super-2 number, since 2×616051521350231² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616051521356231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308025760675115 + 308025760675116.

It is an arithmetic number, because the mean of its divisors is an integer number (308025760675116).

Almost surely, 2^{616051521350231} is an apocalyptic number.

616051521350231 is a deficient number, since it is larger than the sum of its proper divisors (1).

616051521350231 is an equidigital number, since it uses as much as digits as its factorization.

616051521350231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 616051521350231 in words is "six hundred sixteen trillion, fifty-one billion, five hundred twenty-one million, three hundred fifty thousand, two hundred thirty-one".