2114111531 has 4 divisors (see below), whose sum is σ = 2416127472. Its totient is φ = 1812095592.

The previous prime is 2114111507. The next prime is 2114111533. The reversal of 2114111531 is 1351114112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2114111531 is a prime.

It is a super-2 number, since 2×2114111531² = 8938935131014327922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2114111533) 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, 151007960 + ... + 151007973.

It is an arithmetic number, because the mean of its divisors is an integer number (604031868).

Almost surely, 2^2114111531 is an apocalyptic number.

2114111531 is a deficient number, since it is larger than the sum of its proper divisors (302015941).

2114111531 is an equidigital number, since it uses as much as digits as its factorization.

2114111531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302015940.

The product of its digits is 120, while the sum is 20.

The square root of 2114111531 is about 45979.4685810961. The cubic root of 2114111531 is about 1283.4411658571.

Adding to 2114111531 its reverse (1351114112), we get a palindrome (3465225643).

The spelling of 2114111531 in words is "two billion, one hundred fourteen million, one hundred eleven thousand, five hundred thirty-one".