100312552 has 16 divisors (see below), whose sum is σ = 197985600. Its totient is φ = 47516400.

The previous prime is 100312549. The next prime is 100312561. The reversal of 100312552 is 255213001.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329824 + ... + 330127.

It is an arithmetic number, because the mean of its divisors is an integer number (12374100).

Almost surely, 2^100312552 is an apocalyptic number.

It is an amenable number.

100312552 is a deficient number, since it is larger than the sum of its proper divisors (97673048).

100312552 is a wasteful number, since it uses less digits than its factorization.

100312552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659976 (or 659972 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 100312552 is about 10015.6154079517. The cubic root of 100312552 is about 464.6419597131.

Adding to 100312552 its reverse (255213001), we get a palindrome (355525553).

The spelling of 100312552 in words is "one hundred million, three hundred twelve thousand, five hundred fifty-two".