1000323320031 has 32 divisors (see below), whose sum is σ = 1694277273600. Its totient is φ = 571408071840.

The previous prime is 1000323320027. The next prime is 1000323320039. The reversal of 1000323320031 is 1300233230001.

It is not a de Polignac number, because 1000323320031 - 2² = 1000323320027 is a prime.

It is a super-2 number, since 2×1000323320031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000323319986 and 1000323320013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000323320039) 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, 421735 + ... + 1475976.

It is an arithmetic number, because the mean of its divisors is an integer number (52946164800).

Almost surely, 2^{1000323320031} is an apocalyptic number.

1000323320031 is a deficient number, since it is larger than the sum of its proper divisors (693953953569).

1000323320031 is a wasteful number, since it uses less digits than its factorization.

1000323320031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900516 (or 1900510 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 1000323320031 its reverse (1300233230001), we get a palindrome (2300556550032).

The spelling of 1000323320031 in words is "one trillion, three hundred twenty-three million, three hundred twenty thousand, thirty-one".