201230121020031 has 48 divisors (see below), whose sum is σ = 297575974350720. Its totient is φ = 130988919721920.

The previous prime is 201230121020021. The next prime is 201230121020053. The reversal of 201230121020031 is 130020121032102.

201230121020031 is a `hidden beast` number, since 20 + 1 + 230 + 1 + 210 + 200 + 3 + 1 = 666.

It is not a de Polignac number, because 201230121020031 - 2²⁹ = 201229584149119 is a prime.

It is a super-2 number, since 2×201230121020031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201230121019986 and 201230121020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201230121020021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 265880176 + ... + 266635946.

It is an arithmetic number, because the mean of its divisors is an integer number (6199499465640).

Almost surely, 2^{201230121020031} is an apocalyptic number.

201230121020031 is a deficient number, since it is larger than the sum of its proper divisors (96345853330689).

201230121020031 is a wasteful number, since it uses less digits than its factorization.

201230121020031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758516 (or 758513 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 201230121020031 its reverse (130020121032102), we get a palindrome (331250242052133).

The spelling of 201230121020031 in words is "two hundred one trillion, two hundred thirty billion, one hundred twenty-one million, twenty thousand, thirty-one".