31101130123 has 8 divisors (see below), whose sum is σ = 35568656640. Its totient is φ = 26639730600.

The previous prime is 31101130087. The next prime is 31101130163. The reversal of 31101130123 is 32103110113.

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

It is not a de Polignac number, because 31101130123 - 2⁹ = 31101129611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31101130097 and 31101130106.

It is not an unprimeable number, because it can be changed into a prime (31101130163) 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, 1520863 + ... + 1541176.

It is an arithmetic number, because the mean of its divisors is an integer number (4446082080).

Almost surely, 2^31101130123 is an apocalyptic number.

31101130123 is a deficient number, since it is larger than the sum of its proper divisors (4467526517).

31101130123 is a wasteful number, since it uses less digits than its factorization.

31101130123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3063497.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 31101130123 its reverse (32103110113), we get a palindrome (63204240236).

The spelling of 31101130123 in words is "thirty-one billion, one hundred one million, one hundred thirty thousand, one hundred twenty-three".