1023231031331 has 8 divisors (see below), whose sum is σ = 1026584431104. Its totient is φ = 1019878421760.

The previous prime is 1023231031297. The next prime is 1023231031349. The reversal of 1023231031331 is 1331301323201.

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 1023231031331 - 2⁶ = 1023231031267 is a prime.

It is a super-2 number, since 2×1023231031331² (a number of 25 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 = 1023231031297 and 1023231031306.

It is not an unprimeable number, because it can be changed into a prime (1023231031931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2454686 + ... + 2841116.

It is an arithmetic number, because the mean of its divisors is an integer number (128323053888).

Almost surely, 2^{1023231031331} is an apocalyptic number.

1023231031331 is a deficient number, since it is larger than the sum of its proper divisors (3353399773).

1023231031331 is an equidigital number, since it uses as much as digits as its factorization.

1023231031331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395101.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1023231031331 its reverse (1331301323201), we get a palindrome (2354532354532).

The spelling of 1023231031331 in words is "one trillion, twenty-three billion, two hundred thirty-one million, thirty-one thousand, three hundred thirty-one".