2031301213 has 4 divisors (see below), whose sum is σ = 2051022688. Its totient is φ = 2011579740.

The previous prime is 2031301183. The next prime is 2031301241. The reversal of 2031301213 is 3121031302.

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: 3121031302 = 2 ⋅1560515651.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2031301213 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 (2031301313) 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, 9860583 + ... + 9860788.

It is an arithmetic number, because the mean of its divisors is an integer number (512755672).

Almost surely, 2^2031301213 is an apocalyptic number.

It is an amenable number.

2031301213 is a deficient number, since it is larger than the sum of its proper divisors (19721475).

2031301213 is a wasteful number, since it uses less digits than its factorization.

2031301213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19721474.

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

The square root of 2031301213 is about 45069.9590969417. The cubic root of 2031301213 is about 1266.4598981591.

Adding to 2031301213 its reverse (3121031302), we get a palindrome (5152332515).

The spelling of 2031301213 in words is "two billion, thirty-one million, three hundred one thousand, two hundred thirteen".