4231000131989 has 4 divisors (see below), whose sum is σ = 4231079389440. Its totient is φ = 4230920874540.

The previous prime is 4231000131983. The next prime is 4231000132013. The reversal of 4231000131989 is 9891310001324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231000131989 is a prime.

It is a super-2 number, since 2×4231000131989² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4231000131983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39548597 + ... + 39655434.

It is an arithmetic number, because the mean of its divisors is an integer number (1057769847360).

Almost surely, 2^{4231000131989} is an apocalyptic number.

It is an amenable number.

4231000131989 is a deficient number, since it is larger than the sum of its proper divisors (79257451).

4231000131989 is an equidigital number, since it uses as much as digits as its factorization.

4231000131989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79257450.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 4231000131989 in words is "four trillion, two hundred thirty-one billion, one hundred thirty-one thousand, nine hundred eighty-nine".