30112001821357 has 2 divisors, whose sum is σ = 30112001821358. Its totient is φ = 30112001821356.

The previous prime is 30112001821309. The next prime is 30112001821387. The reversal of 30112001821357 is 75312810021103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24172306573156 + 5939695248201 = 4916534^2 + 2437149^2 .

It is a cyclic number.

It is not a de Polignac number, because 30112001821357 - 2³⁵ = 30077642082989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30112001821387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056000910678 + 15056000910679.

It is an arithmetic number, because the mean of its divisors is an integer number (15056000910679).

Almost surely, 2^{30112001821357} is an apocalyptic number.

It is an amenable number.

30112001821357 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112001821357 is an equidigital number, since it uses as much as digits as its factorization.

30112001821357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 34.

The spelling of 30112001821357 in words is "thirty trillion, one hundred twelve billion, one million, eight hundred twenty-one thousand, three hundred fifty-seven".