30302131031211 has 32 divisors (see below), whose sum is σ = 45334085142528. Its totient is φ = 17877280446720.

The previous prime is 30302131031177. The next prime is 30302131031231. The reversal of 30302131031211 is 11213013120303.

It is a happy number.

It is not a de Polignac number, because 30302131031211 - 2⁴² = 25904084520107 is a prime.

It is a super-2 number, since 2×30302131031211² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30302131031231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116991186 + ... + 117249911.

It is an arithmetic number, because the mean of its divisors is an integer number (1416690160704).

Almost surely, 2^{30302131031211} is an apocalyptic number.

30302131031211 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

30302131031211 is a deficient number, since it is larger than the sum of its proper divisors (15031954111317).

30302131031211 is a wasteful number, since it uses less digits than its factorization.

30302131031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234241251.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 30302131031211 its reverse (11213013120303), we get a palindrome (41515144151514).

The spelling of 30302131031211 in words is "thirty trillion, three hundred two billion, one hundred thirty-one million, thirty-one thousand, two hundred eleven".