31053504043 has 4 divisors (see below), whose sum is σ = 31579834680. Its totient is φ = 30527173408.

The previous prime is 31053504037. The next prime is 31053504061. The reversal of 31053504043 is 34040535013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31053504043 - 2⁵ = 31053504011 is a prime.

It is a super-2 number, since 2×31053504043² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31053501043) 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 3 ways as a sum of consecutive naturals, for example, 263165230 + ... + 263165347.

It is an arithmetic number, because the mean of its divisors is an integer number (7894958670).

Almost surely, 2^31053504043 is an apocalyptic number.

31053504043 is a deficient number, since it is larger than the sum of its proper divisors (526330637).

31053504043 is an equidigital number, since it uses as much as digits as its factorization.

31053504043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526330636.

The product of its (nonzero) digits is 10800, while the sum is 28.

The spelling of 31053504043 in words is "thirty-one billion, fifty-three million, five hundred four thousand, forty-three".