4320012131 has 8 divisors (see below), whose sum is σ = 4456371024. Its totient is φ = 4185767520.

The previous prime is 4320012127. The next prime is 4320012143. The reversal of 4320012131 is 1312100234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4320012131 - 2² = 4320012127 is a prime.

It is a super-2 number, since 2×4320012131² = 37325009623974322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4320012181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524420 + ... + 532593.

It is an arithmetic number, because the mean of its divisors is an integer number (557046378).

Almost surely, 2^4320012131 is an apocalyptic number.

4320012131 is a deficient number, since it is larger than the sum of its proper divisors (136358893).

4320012131 is a wasteful number, since it uses less digits than its factorization.

4320012131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057141.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 4320012131 is about 65726.7991841988. The cubic root of 4320012131 is about 1628.6520944277.

Adding to 4320012131 its reverse (1312100234), we get a palindrome (5632112365).

The spelling of 4320012131 in words is "four billion, three hundred twenty million, twelve thousand, one hundred thirty-one".