100121232330313 has 4 divisors (see below), whose sum is σ = 100173899997828. Its totient is φ = 100068564662800.

The previous prime is 100121232330311. The next prime is 100121232330407. The reversal of 100121232330313 is 313033232121001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19800257263504 + 80320975066809 = 4449748^2 + 8962197^2 .

It is a cyclic number.

It is not a de Polignac number, because 100121232330313 - 2¹ = 100121232330311 is a prime.

It is a super-2 number, since 2×100121232330313² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100121232330311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26333830906 + ... + 26333834707.

It is an arithmetic number, because the mean of its divisors is an integer number (25043474999457).

Almost surely, 2^{100121232330313} is an apocalyptic number.

It is an amenable number.

100121232330313 is a deficient number, since it is larger than the sum of its proper divisors (52667667515).

100121232330313 is an equidigital number, since it uses as much as digits as its factorization.

100121232330313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52667667514.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 100121232330313 its reverse (313033232121001), we get a palindrome (413154464451314).

The spelling of 100121232330313 in words is "one hundred trillion, one hundred twenty-one billion, two hundred thirty-two million, three hundred thirty thousand, three hundred thirteen".