1000030331997 has 6 divisors (see below), whose sum is σ = 1444488257342. Its totient is φ = 666686887992.

The previous prime is 1000030331969. The next prime is 1000030332031. The reversal of 1000030331997 is 7991330300001.

It can be written as a sum of positive squares in only one way, i.e., 995952104676 + 4078227321 = 997974^2 + 63861^2 .

It is not a de Polignac number, because 1000030331997 - 2⁷ = 1000030331869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000030331917) 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 5 ways as a sum of consecutive naturals, for example, 55557240658 + ... + 55557240675.

Almost surely, 2^{1000030331997} is an apocalyptic number.

It is an amenable number.

1000030331997 is a deficient number, since it is larger than the sum of its proper divisors (444457925345).

1000030331997 is a wasteful number, since it uses less digits than its factorization.

1000030331997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111114481339 (or 111114481336 counting only the distinct ones).

The product of its (nonzero) digits is 15309, while the sum is 36.

Adding to 1000030331997 its reverse (7991330300001), we get a palindrome (8991360631998).

The spelling of 1000030331997 in words is "one trillion, thirty million, three hundred thirty-one thousand, nine hundred ninety-seven".