100030123031 has 8 divisors (see below), whose sum is σ = 101328033600. Its totient is φ = 98733005280.

The previous prime is 100030123019. The next prime is 100030123051. The reversal of 100030123031 is 130321030001.

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-100030123031 is a prime.

It is a super-2 number, since 2×100030123031² (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 = 100030122997 and 100030123015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100030123051) 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, 57905 + ... + 451013.

It is an arithmetic number, because the mean of its divisors is an integer number (12666004200).

Almost surely, 2^100030123031 is an apocalyptic number.

100030123031 is a deficient number, since it is larger than the sum of its proper divisors (1297910569).

100030123031 is an equidigital number, since it uses as much as digits as its factorization.

100030123031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396409.

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

Adding to 100030123031 its reverse (130321030001), we get a palindrome (230351153032).

The spelling of 100030123031 in words is "one hundred billion, thirty million, one hundred twenty-three thousand, thirty-one".