2011426531 has 8 divisors (see below), whose sum is σ = 2027830464. Its totient is φ = 1995038760.

The previous prime is 2011426513. The next prime is 2011426561. The reversal of 2011426531 is 1356241102.

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 2011426531 - 2⁵ = 2011426499 is a prime.

It is a super-2 number, since 2×2011426531² = 8091673379221387922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011426496 and 2011426505.

It is not an unprimeable number, because it can be changed into a prime (2011426561) 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, 430896 + ... + 435538.

It is an arithmetic number, because the mean of its divisors is an integer number (253478808).

Almost surely, 2^2011426531 is an apocalyptic number.

2011426531 is a deficient number, since it is larger than the sum of its proper divisors (16403933).

2011426531 is a wasteful number, since it uses less digits than its factorization.

2011426531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8081.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2011426531 is about 44848.9300987214. The cubic root of 2011426531 is about 1262.3159159893.

Adding to 2011426531 its reverse (1356241102), we get a palindrome (3367667633).

The spelling of 2011426531 in words is "two billion, eleven million, four hundred twenty-six thousand, five hundred thirty-one".