103212313555 has 32 divisors (see below), whose sum is σ = 138704348160. Its totient is φ = 73204561920.

The previous prime is 103212313553. The next prime is 103212313577. The reversal of 103212313555 is 555313212301.

It is not a de Polignac number, because 103212313555 - 2¹ = 103212313553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103212313553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216699 + ... + 503371.

It is an arithmetic number, because the mean of its divisors is an integer number (4334510880).

Almost surely, 2^103212313555 is an apocalyptic number.

103212313555 is a deficient number, since it is larger than the sum of its proper divisors (35492034605).

103212313555 is a wasteful number, since it uses less digits than its factorization.

103212313555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286911.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 103212313555 its reverse (555313212301), we get a palindrome (658525525856).

The spelling of 103212313555 in words is "one hundred three billion, two hundred twelve million, three hundred thirteen thousand, five hundred fifty-five".