531303142552152 has 64 divisors (see below), whose sum is σ = 1332229211040000. Its totient is φ = 176571659631744.

The previous prime is 531303142552151. The next prime is 531303142552163. The reversal of 531303142552152 is 251255241303135.

It is a super-2 number, since 2×531303142552152² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531303142552151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63566733 + ... + 71437635.

It is an arithmetic number, because the mean of its divisors is an integer number (20816081422500).

Almost surely, 2^{531303142552152} is an apocalyptic number.

It is an amenable number.

531303142552152 is an abundant number, since it is smaller than the sum of its proper divisors (800926068487848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

531303142552152 is a wasteful number, since it uses less digits than its factorization.

531303142552152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7879320 (or 7879316 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 42.

Adding to 531303142552152 its reverse (251255241303135), we get a palindrome (782558383855287).

The spelling of 531303142552152 in words is "five hundred thirty-one trillion, three hundred three billion, one hundred forty-two million, five hundred fifty-two thousand, one hundred fifty-two".