2031155013 has 8 divisors (see below), whose sum is σ = 2727975168. Its totient is φ = 1344219104.

The previous prime is 2031154949. The next prime is 2031155023. The reversal of 2031155013 is 3105511302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031155013 - 2⁶ = 2031154949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031155023) 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, 2470581 + ... + 2471402.

It is an arithmetic number, because the mean of its divisors is an integer number (340996896).

Almost surely, 2^2031155013 is an apocalyptic number.

It is an amenable number.

2031155013 is a deficient number, since it is larger than the sum of its proper divisors (696820155).

2031155013 is a wasteful number, since it uses less digits than its factorization.

2031155013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942123.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 2031155013 is about 45068.3371448293. The cubic root of 2031155013 is about 1266.4295135501.

Adding to 2031155013 its reverse (3105511302), we get a palindrome (5136666315).

The spelling of 2031155013 in words is "two billion, thirty-one million, one hundred fifty-five thousand, thirteen".