31534650053 has 4 divisors (see below), whose sum is σ = 31840811808. Its totient is φ = 31228488300.

The previous prime is 31534650031. The next prime is 31534650061. The reversal of 31534650053 is 35005643513.

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 31534650053 - 2¹⁶ = 31534584517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31534649995 and 31534650022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31534650013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153080723 + ... + 153080928.

It is an arithmetic number, because the mean of its divisors is an integer number (7960202952).

Almost surely, 2^31534650053 is an apocalyptic number.

It is an amenable number.

31534650053 is a deficient number, since it is larger than the sum of its proper divisors (306161755).

31534650053 is a wasteful number, since it uses less digits than its factorization.

31534650053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306161754.

The product of its (nonzero) digits is 81000, while the sum is 35.

The spelling of 31534650053 in words is "thirty-one billion, five hundred thirty-four million, six hundred fifty thousand, fifty-three".