100123031411331 has 4 divisors (see below), whose sum is σ = 133497375215112. Its totient is φ = 66748687607552.

The previous prime is 100123031411329. The next prime is 100123031411339. The reversal of 100123031411331 is 133114130321001.

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

It is a cyclic number.

It is not a de Polignac number, because 100123031411331 - 2¹ = 100123031411329 is a prime.

It is a super-2 number, since 2×100123031411331² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100123031411339) 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, 16687171901886 + ... + 16687171901891.

It is an arithmetic number, because the mean of its divisors is an integer number (33374343803778).

Almost surely, 2^{100123031411331} is an apocalyptic number.

100123031411331 is a deficient number, since it is larger than the sum of its proper divisors (33374343803781).

100123031411331 is an equidigital number, since it uses as much as digits as its factorization.

100123031411331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33374343803780.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 100123031411331 its reverse (133114130321001), we get a palindrome (233237161732332).

The spelling of 100123031411331 in words is "one hundred trillion, one hundred twenty-three billion, thirty-one million, four hundred eleven thousand, three hundred thirty-one".