2001031130023 has 8 divisors (see below), whose sum is σ = 2030921782128. Its totient is φ = 1971141199104.

The previous prime is 2001031130003. The next prime is 2001031130071. The reversal of 2001031130023 is 3200311301002.

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-2001031130023 is a prime.

It is a super-2 number, since 2×2001031130023² (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 = 2001031129979 and 2001031130006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001031130003) 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, 8526765 + ... + 8758297.

It is an arithmetic number, because the mean of its divisors is an integer number (253865222766).

Almost surely, 2^{2001031130023} is an apocalyptic number.

2001031130023 is a deficient number, since it is larger than the sum of its proper divisors (29890652105).

2001031130023 is a wasteful number, since it uses less digits than its factorization.

2001031130023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360593.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 2001031130023 its reverse (3200311301002), we get a palindrome (5201342431025).

The spelling of 2001031130023 in words is "two trillion, one billion, thirty-one million, one hundred thirty thousand, twenty-three".