1031003231323 has 8 divisors (see below), whose sum is σ = 1114438726800. Its totient is φ = 948157386528.

The previous prime is 1031003231309. The next prime is 1031003231329. The reversal of 1031003231323 is 3231323001301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031003231323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1031003231294 and 1031003231303.

It is not an unprimeable number, because it can be changed into a prime (1031003231329) 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, 147409033 + ... + 147416026.

It is an arithmetic number, because the mean of its divisors is an integer number (139304840850).

Almost surely, 2^{1031003231323} is an apocalyptic number.

1031003231323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1031003231323 is a deficient number, since it is larger than the sum of its proper divisors (83435495477).

1031003231323 is a wasteful number, since it uses less digits than its factorization.

1031003231323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294825341.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 1031003231323 its reverse (3231323001301), we get a palindrome (4262326232624).

The spelling of 1031003231323 in words is "one trillion, thirty-one billion, three million, two hundred thirty-one thousand, three hundred twenty-three".