531301420100 has 72 divisors (see below), whose sum is σ = 1270188452736. Its totient is φ = 191287600000.

The previous prime is 531301420073. The next prime is 531301420163. The reversal of 531301420100 is 1024103135.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2279996 + ... + 2502195.

It is an arithmetic number, because the mean of its divisors is an integer number (17641506288).

Almost surely, 2^531301420100 is an apocalyptic number.

531301420100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

531301420100 is an abundant number, since it is smaller than the sum of its proper divisors (738887032636).

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

531301420100 is a wasteful number, since it uses less digits than its factorization.

531301420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782317 (or 4782310 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 531301420100 its reverse (1024103135), we get a palindrome (532325523235).

The spelling of 531301420100 in words is "five hundred thirty-one billion, three hundred one million, four hundred twenty thousand, one hundred".