60520135031 has 4 divisors (see below), whose sum is σ = 64080142992. Its totient is φ = 56960127072.

The previous prime is 60520134947. The next prime is 60520135063. The reversal of 60520135031 is 13053102506.

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 60520135031 - 2¹⁸ = 60519872887 is a prime.

It is a super-2 number, since 2×60520135031² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60520135231) 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, 1780003955 + ... + 1780003988.

It is an arithmetic number, because the mean of its divisors is an integer number (16020035748).

Almost surely, 2^60520135031 is an apocalyptic number.

60520135031 is a deficient number, since it is larger than the sum of its proper divisors (3560007961).

60520135031 is a wasteful number, since it uses less digits than its factorization.

60520135031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3560007960.

The product of its (nonzero) digits is 2700, while the sum is 26.

Adding to 60520135031 its reverse (13053102506), we get a palindrome (73573237537).

The spelling of 60520135031 in words is "sixty billion, five hundred twenty million, one hundred thirty-five thousand, thirty-one".