201011031213231 has 4 divisors (see below), whose sum is σ = 268014708284312. Its totient is φ = 134007354142152.

The previous prime is 201011031213221. The next prime is 201011031213269. The reversal of 201011031213231 is 132312130110102.

201011031213231 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 201011031213231 - 2⁷ = 201011031213103 is a prime.

It is a super-2 number, since 2×201011031213231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201011031213198 and 201011031213207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011031213221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33501838535536 + ... + 33501838535541.

It is an arithmetic number, because the mean of its divisors is an integer number (67003677071078).

Almost surely, 2^{201011031213231} is an apocalyptic number.

201011031213231 is a deficient number, since it is larger than the sum of its proper divisors (67003677071081).

201011031213231 is an equidigital number, since it uses as much as digits as its factorization.

201011031213231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67003677071080.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 201011031213231 its reverse (132312130110102), we get a palindrome (333323161323333).

The spelling of 201011031213231 in words is "two hundred one trillion, eleven billion, thirty-one million, two hundred thirteen thousand, two hundred thirty-one".