100123003031 has 8 divisors (see below), whose sum is σ = 100426307280. Its totient is φ = 99819905472.

The previous prime is 100123003007. The next prime is 100123003037. The reversal of 100123003031 is 130300321001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100123003031 is a prime.

It is a super-2 number, since 2×100123003031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100123002997 and 100123003015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100123003037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 947741 + ... + 1048073.

It is an arithmetic number, because the mean of its divisors is an integer number (12553288410).

Almost surely, 2^100123003031 is an apocalyptic number.

100123003031 is a deficient number, since it is larger than the sum of its proper divisors (303304249).

100123003031 is a wasteful number, since it uses less digits than its factorization.

100123003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103345.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 100123003031 its reverse (130300321001), we get a palindrome (230423324032).

The spelling of 100123003031 in words is "one hundred billion, one hundred twenty-three million, three thousand, thirty-one".