30301351231 has 2 divisors, whose sum is σ = 30301351232. Its totient is φ = 30301351230.

The previous prime is 30301351211. The next prime is 30301351261. The reversal of 30301351231 is 13215310303.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30301351231 - 2⁹ = 30301350719 is a prime.

It is a super-2 number, since 2×30301351231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30301351211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150675615 + 15150675616.

It is an arithmetic number, because the mean of its divisors is an integer number (15150675616).

Almost surely, 2^30301351231 is an apocalyptic number.

30301351231 is a deficient number, since it is larger than the sum of its proper divisors (1).

30301351231 is an equidigital number, since it uses as much as digits as its factorization.

30301351231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 22.

Adding to 30301351231 its reverse (13215310303), we get a palindrome (43516661534).

The spelling of 30301351231 in words is "thirty billion, three hundred one million, three hundred fifty-one thousand, two hundred thirty-one".