30161030210257 has 8 divisors (see below), whose sum is σ = 30932717247432. Its totient is φ = 29391059942400.

The previous prime is 30161030210243. The next prime is 30161030210263. The reversal of 30161030210257 is 75201203016103.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10357738102336 + 19803292107921 = 3218344^2 + 4450089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30161030210257 - 2²³ = 30161021821649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30161030210287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429156744 + ... + 429227017.

It is an arithmetic number, because the mean of its divisors is an integer number (3866589655929).

Almost surely, 2^{30161030210257} is an apocalyptic number.

It is an amenable number.

30161030210257 is a deficient number, since it is larger than the sum of its proper divisors (771687037175).

30161030210257 is an equidigital number, since it uses as much as digits as its factorization.

30161030210257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858384659.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 30161030210257 in words is "thirty trillion, one hundred sixty-one billion, thirty million, two hundred ten thousand, two hundred fifty-seven".