31300443053 has 4 divisors (see below), whose sum is σ = 34145937888. Its totient is φ = 28454948220.

The previous prime is 31300443047. The next prime is 31300443071. The reversal of 31300443053 is 35034400313.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 31300443053 - 2⁶ = 31300442989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31300443653) 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, 1422747401 + ... + 1422747422.

It is an arithmetic number, because the mean of its divisors is an integer number (8536484472).

Almost surely, 2^31300443053 is an apocalyptic number.

It is an amenable number.

31300443053 is a deficient number, since it is larger than the sum of its proper divisors (2845494835).

31300443053 is a wasteful number, since it uses less digits than its factorization.

31300443053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2845494834.

The product of its (nonzero) digits is 6480, while the sum is 26.

Adding to 31300443053 its reverse (35034400313), we get a palindrome (66334843366).

The spelling of 31300443053 in words is "thirty-one billion, three hundred million, four hundred forty-three thousand, fifty-three".