2131045007 has 32 divisors (see below), whose sum is σ = 2701504512. Its totient is φ = 1635790464.

The previous prime is 2131044983. The next prime is 2131045009. The reversal of 2131045007 is 7005401312.

It is not a de Polignac number, because 2131045007 - 2¹⁰ = 2131043983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131045009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1558238 + ... + 1559604.

It is an arithmetic number, because the mean of its divisors is an integer number (84422016).

Almost surely, 2^2131045007 is an apocalyptic number.

2131045007 is a deficient number, since it is larger than the sum of its proper divisors (570459505).

2131045007 is a wasteful number, since it uses less digits than its factorization.

2131045007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 2131045007 is about 46163.2430294926. The cubic root of 2131045007 is about 1286.8587325551.

Adding to 2131045007 its reverse (7005401312), we get a palindrome (9136446319).

The spelling of 2131045007 in words is "two billion, one hundred thirty-one million, forty-five thousand, seven".