2130431145 has 16 divisors (see below), whose sum is σ = 3588095040. Its totient is φ = 1076428224.

The previous prime is 2130431141. The next prime is 2130431153. The reversal of 2130431145 is 5411340312.

It is a happy number.

It is not a de Polignac number, because 2130431145 - 2² = 2130431141 is a prime.

It is a super-2 number, since 2×2130431145² = 9077473727172022050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2130431141) 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, 3737314 + ... + 3737883.

It is an arithmetic number, because the mean of its divisors is an integer number (224255940).

Almost surely, 2^2130431145 is an apocalyptic number.

It is an amenable number.

2130431145 is a deficient number, since it is larger than the sum of its proper divisors (1457663895).

2130431145 is a wasteful number, since it uses less digits than its factorization.

2130431145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7475224.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2130431145 is about 46156.5937326402. The cubic root of 2130431145 is about 1286.7351578871.

Adding to 2130431145 its reverse (5411340312), we get a palindrome (7541771457).

The spelling of 2130431145 in words is "two billion, one hundred thirty million, four hundred thirty-one thousand, one hundred forty-five".