31053133543 has 32 divisors (see below), whose sum is σ = 34101245952. Its totient is φ = 28198368000.

The previous prime is 31053133511. The next prime is 31053133549. The reversal of 31053133543 is 34533135013.

It is not a de Polignac number, because 31053133543 - 2⁵ = 31053133511 is a prime.

It is a super-3 number, since 3×31053133543³ (a number of 32 digits) contains 333 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 (31053133549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4810468 + ... + 4816918.

It is an arithmetic number, because the mean of its divisors is an integer number (1065663936).

Almost surely, 2^31053133543 is an apocalyptic number.

31053133543 is a deficient number, since it is larger than the sum of its proper divisors (3048112409).

31053133543 is a wasteful number, since it uses less digits than its factorization.

31053133543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6655.

The product of its (nonzero) digits is 24300, while the sum is 31.

Adding to 31053133543 its reverse (34533135013), we get a palindrome (65586268556).

The spelling of 31053133543 in words is "thirty-one billion, fifty-three million, one hundred thirty-three thousand, five hundred forty-three".