31120111132123 has 8 divisors (see below), whose sum is σ = 33515967978416. Its totient is φ = 28724540306400.

The previous prime is 31120111132079. The next prime is 31120111132127. The reversal of 31120111132123 is 32123111102113.

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 31120111132123 - 2¹³ = 31120111123931 is a prime.

It is a super-2 number, since 2×31120111132123² (a number of 28 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 = 31120111132094 and 31120111132103.

It is not an unprimeable number, because it can be changed into a prime (31120111132127) 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, 71279133 + ... + 71714398.

It is an arithmetic number, because the mean of its divisors is an integer number (4189495997302).

Almost surely, 2^{31120111132123} is an apocalyptic number.

31120111132123 is a deficient number, since it is larger than the sum of its proper divisors (2395856846293).

31120111132123 is a wasteful number, since it uses less digits than its factorization.

31120111132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143010285.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 31120111132123 its reverse (32123111102113), we get a palindrome (63243222234236).

The spelling of 31120111132123 in words is "thirty-one trillion, one hundred twenty billion, one hundred eleven million, one hundred thirty-two thousand, one hundred twenty-three".