31204200043 has 16 divisors (see below), whose sum is σ = 34082666784. Its totient is φ = 28455989760.

The previous prime is 31204200037. The next prime is 31204200059. The reversal of 31204200043 is 34000240213.

It is a cyclic number.

It is not a de Polignac number, because 31204200043 - 2¹⁷ = 31204068971 is a prime.

It is a super-2 number, since 2×31204200043² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31204200743) 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, 155080 + ... + 294037.

It is an arithmetic number, because the mean of its divisors is an integer number (2130166674).

Almost surely, 2^31204200043 is an apocalyptic number.

31204200043 is a deficient number, since it is larger than the sum of its proper divisors (2878466741).

31204200043 is a wasteful number, since it uses less digits than its factorization.

31204200043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449262.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 31204200043 its reverse (34000240213), we get a palindrome (65204440256).

The spelling of 31204200043 in words is "thirty-one billion, two hundred four million, two hundred thousand, forty-three".