201231101030030 has 32 divisors (see below), whose sum is σ = 370650010693248. Its totient is φ = 78618316845600.

The previous prime is 201231101030027. The next prime is 201231101030123. The reversal of 201231101030030 is 30030101132102.

It is a junction number, because it is equal to n+sod(n) for n = 201231101029990 and 201231101030008.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8815685 + ... + 21912975.

It is an arithmetic number, because the mean of its divisors is an integer number (11582812834164).

Almost surely, 2^{201231101030030} is an apocalyptic number.

201231101030030 is a deficient number, since it is larger than the sum of its proper divisors (169418909663218).

201231101030030 is a wasteful number, since it uses less digits than its factorization.

201231101030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13133072.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 201231101030030 its reverse (30030101132102), we get a palindrome (231261202162132).

The spelling of 201231101030030 in words is "two hundred one trillion, two hundred thirty-one billion, one hundred one million, thirty thousand, thirty".