2311154013 has 16 divisors (see below), whose sum is σ = 3556630656. Its totient is φ = 1307582400.

The previous prime is 2311154003. The next prime is 2311154071. The reversal of 2311154013 is 3104511132.

It is not a de Polignac number, because 2311154013 - 2⁴ = 2311153997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311154003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542706 + ... + 546947.

It is an arithmetic number, because the mean of its divisors is an integer number (222289416).

Almost surely, 2^2311154013 is an apocalyptic number.

It is an amenable number.

2311154013 is a deficient number, since it is larger than the sum of its proper divisors (1245476643).

2311154013 is a wasteful number, since it uses less digits than its factorization.

2311154013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089764.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2311154013 is about 48074.4632107317. The cubic root of 2311154013 is about 1322.1365027657.

Adding to 2311154013 its reverse (3104511132), we get a palindrome (5415665145).

The spelling of 2311154013 in words is "two billion, three hundred eleven million, one hundred fifty-four thousand, thirteen".