101123112031 has 8 divisors (see below), whose sum is σ = 102260392128. Its totient is φ = 99988500000.

The previous prime is 101123112023. The next prime is 101123112107. The reversal of 101123112031 is 130211321101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101123112031 - 2³ = 101123112023 is a prime.

It is a super-2 number, since 2×101123112031² (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 = 101123111996 and 101123112014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101123112631) 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, 590740 + ... + 742441.

It is an arithmetic number, because the mean of its divisors is an integer number (12782549016).

Almost surely, 2^101123112031 is an apocalyptic number.

101123112031 is a deficient number, since it is larger than the sum of its proper divisors (1137280097).

101123112031 is a wasteful number, since it uses less digits than its factorization.

101123112031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334033.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101123112031 its reverse (130211321101), we get a palindrome (231334433132).

The spelling of 101123112031 in words is "one hundred one billion, one hundred twenty-three million, one hundred twelve thousand, thirty-one".