231011021301 has 32 divisors (see below), whose sum is σ = 314438630400. Its totient is φ = 150816407040.

The previous prime is 231011021291. The next prime is 231011021413. The reversal of 231011021301 is 103120110132.

It is a happy number.

It is not a de Polignac number, because 231011021301 - 2⁷ = 231011021173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231011021701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111008581 + ... + 111010661.

It is an arithmetic number, because the mean of its divisors is an integer number (9826207200).

Almost surely, 2^231011021301 is an apocalyptic number.

It is an amenable number.

231011021301 is a deficient number, since it is larger than the sum of its proper divisors (83427609099).

231011021301 is a wasteful number, since it uses less digits than its factorization.

231011021301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4249.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 231011021301 its reverse (103120110132), we get a palindrome (334131131433).

The spelling of 231011021301 in words is "two hundred thirty-one billion, eleven million, twenty-one thousand, three hundred one".