2000031013 has 4 divisors (see below), whose sum is σ = 2006546080. Its totient is φ = 1993515948.

The previous prime is 2000030983. The next prime is 2000031037. The reversal of 2000031013 is 3101300002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3101300002 = 2 ⋅1550650001.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000031013 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 (2000031043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3257073 + ... + 3257686.

It is an arithmetic number, because the mean of its divisors is an integer number (501636520).

Almost surely, 2^2000031013 is an apocalyptic number.

It is an amenable number.

2000031013 is a deficient number, since it is larger than the sum of its proper divisors (6515067).

2000031013 is an equidigital number, since it uses as much as digits as its factorization.

2000031013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6515066.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 2000031013 is about 44721.7062845326. The cubic root of 2000031013 is about 1259.9275621831.

Adding to 2000031013 its reverse (3101300002), we get a palindrome (5101331015).

The spelling of 2000031013 in words is "two billion, thirty-one thousand, thirteen".