31201230043 has 8 divisors (see below), whose sum is σ = 32007277808. Its totient is φ = 30398838624.

The previous prime is 31201230031. The next prime is 31201230061. The reversal of 31201230043 is 34003210213.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31201230043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31201230043.

It is not an unprimeable number, because it can be changed into a prime (31201030043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896796 + ... + 930937.

It is an arithmetic number, because the mean of its divisors is an integer number (4000909726).

Almost surely, 2^31201230043 is an apocalyptic number.

31201230043 is a deficient number, since it is larger than the sum of its proper divisors (806047765).

31201230043 is a wasteful number, since it uses less digits than its factorization.

31201230043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828173.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 31201230043 its reverse (34003210213), we get a palindrome (65204440256).

The spelling of 31201230043 in words is "thirty-one billion, two hundred one million, two hundred thirty thousand, forty-three".