231122303101031 has 8 divisors (see below), whose sum is σ = 234942519450000. Its totient is φ = 227303097272640.

The previous prime is 231122303100979. The next prime is 231122303101037. The reversal of 231122303101031 is 130101303221132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231122303101031 - 2²² = 231122298906727 is a prime.

It is a super-2 number, since 2×231122303101031² (a number of 30 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 = 231122303100988 and 231122303101006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231122303101037) 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 7 ways as a sum of consecutive naturals, for example, 252168926 + ... + 253083803.

It is an arithmetic number, because the mean of its divisors is an integer number (29367814931250).

Almost surely, 2^{231122303101031} is an apocalyptic number.

231122303101031 is a deficient number, since it is larger than the sum of its proper divisors (3820216348969).

231122303101031 is an equidigital number, since it uses as much as digits as its factorization.

231122303101031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505260289.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 231122303101031 its reverse (130101303221132), we get a palindrome (361223606322163).

The spelling of 231122303101031 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, three hundred three million, one hundred one thousand, thirty-one".