31543024053 has 4 divisors (see below), whose sum is σ = 42057365408. Its totient is φ = 21028682700.

The previous prime is 31543024043. The next prime is 31543024103. The reversal of 31543024053 is 35042034513.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35042034513 = 3 ⋅11680678171.

It is not a de Polignac number, because 31543024053 - 2⁶ = 31543023989 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 31543024053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31543024003) 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, 5257170673 + ... + 5257170678.

It is an arithmetic number, because the mean of its divisors is an integer number (10514341352).

Almost surely, 2^31543024053 is an apocalyptic number.

It is an amenable number.

31543024053 is a deficient number, since it is larger than the sum of its proper divisors (10514341355).

31543024053 is a wasteful number, since it uses less digits than its factorization.

31543024053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514341354.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 31543024053 its reverse (35042034513), we get a palindrome (66585058566).

The spelling of 31543024053 in words is "thirty-one billion, five hundred forty-three million, twenty-four thousand, fifty-three".