531197812150 has 24 divisors (see below), whose sum is σ = 1030985668944. Its totient is φ = 203240901600.

The previous prime is 531197812049. The next prime is 531197812169. The reversal of 531197812150 is 51218791135.

It is a super-2 number, since 2×531197812150² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 531197812097 and 531197812106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230954421 + ... + 230956720.

It is an arithmetic number, because the mean of its divisors is an integer number (42957736206).

Almost surely, 2^531197812150 is an apocalyptic number.

531197812150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

531197812150 is a deficient number, since it is larger than the sum of its proper divisors (499787856794).

531197812150 is a wasteful number, since it uses less digits than its factorization.

531197812150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461911176 (or 461911171 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 43.

The spelling of 531197812150 in words is "five hundred thirty-one billion, one hundred ninety-seven million, eight hundred twelve thousand, one hundred fifty".