31114211123 has 4 divisors (see below), whose sum is σ = 31164639960. Its totient is φ = 31063782288.

The previous prime is 31114211081. The next prime is 31114211131. The reversal of 31114211123 is 32111241113.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32111241113 = 7 ⋅4587320159.

It is a cyclic number.

It is not a de Polignac number, because 31114211123 - 2⁶ = 31114211059 is a prime.

It is a super-2 number, since 2×31114211123² (a number of 22 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 = 31114211095 and 31114211104.

It is not an unprimeable number, because it can be changed into a prime (31114231123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25213493 + ... + 25214726.

It is an arithmetic number, because the mean of its divisors is an integer number (7791159990).

Almost surely, 2^31114211123 is an apocalyptic number.

31114211123 is a deficient number, since it is larger than the sum of its proper divisors (50428837).

31114211123 is an equidigital number, since it uses as much as digits as its factorization.

31114211123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50428836.

The product of its digits is 144, while the sum is 20.

Adding to 31114211123 its reverse (32111241113), we get a palindrome (63225452236).

The spelling of 31114211123 in words is "thirty-one billion, one hundred fourteen million, two hundred eleven thousand, one hundred twenty-three".