100531313553 has 16 divisors (see below), whose sum is σ = 146920396032. Its totient is φ = 60639306000.

The previous prime is 100531313461. The next prime is 100531313579. The reversal of 100531313553 is 355313135001.

It is not a de Polignac number, because 100531313553 - 2⁸ = 100531313297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100531313553.

It is not an unprimeable number, because it can be changed into a prime (100531313653) 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, 7212003 + ... + 7225928.

It is an arithmetic number, because the mean of its divisors is an integer number (9182524752).

Almost surely, 2^100531313553 is an apocalyptic number.

It is an amenable number.

100531313553 is a deficient number, since it is larger than the sum of its proper divisors (46389082479).

100531313553 is a wasteful number, since it uses less digits than its factorization.

100531313553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14438156.

The product of its (nonzero) digits is 10125, while the sum is 30.

Adding to 100531313553 its reverse (355313135001), we get a palindrome (455844448554).

The spelling of 100531313553 in words is "one hundred billion, five hundred thirty-one million, three hundred thirteen thousand, five hundred fifty-three".