4131231245 has 16 divisors (see below), whose sum is σ = 4987562880. Its totient is φ = 3284971200.

The previous prime is 4131231241. The next prime is 4131231259. The reversal of 4131231245 is 5421321314.

It is a happy number.

It is not a de Polignac number, because 4131231245 - 2² = 4131231241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4131231241) 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, 967415 + ... + 971675.

It is an arithmetic number, because the mean of its divisors is an integer number (311722680).

Almost surely, 2^4131231245 is an apocalyptic number.

It is an amenable number.

4131231245 is a deficient number, since it is larger than the sum of its proper divisors (856331635).

4131231245 is a wasteful number, since it uses less digits than its factorization.

4131231245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5396.

The product of its digits is 2880, while the sum is 26.

The square root of 4131231245 is about 64274.6547637558. The cubic root of 4131231245 is about 1604.5743115262.

Adding to 4131231245 its reverse (5421321314), we get a palindrome (9552552559).

The spelling of 4131231245 in words is "four billion, one hundred thirty-one million, two hundred thirty-one thousand, two hundred forty-five".