2051131023 has 12 divisors (see below), whose sum is σ = 2963356968. Its totient is φ = 1367138160.

The previous prime is 2051130989. The next prime is 2051131037. The reversal of 2051131023 is 3201311502.

2051131023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2051131023 - 2⁹ = 2051130511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2051130987 and 2051131005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051131123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28488 + ... + 70098.

It is an arithmetic number, because the mean of its divisors is an integer number (246946414).

Almost surely, 2^2051131023 is an apocalyptic number.

2051131023 is a deficient number, since it is larger than the sum of its proper divisors (912225945).

2051131023 is a wasteful number, since it uses less digits than its factorization.

2051131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47094 (or 47091 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 2051131023 is about 45289.4140280044. The cubic root of 2051131023 is about 1270.5676721099.

Adding to 2051131023 its reverse (3201311502), we get a palindrome (5252442525).

The spelling of 2051131023 in words is "two billion, fifty-one million, one hundred thirty-one thousand, twenty-three".