3011152421 has 4 divisors (see below), whose sum is σ = 3188279052. Its totient is φ = 2834025792.

The previous prime is 3011152411. The next prime is 3011152429. The reversal of 3011152421 is 1242511103.

3011152421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1242511103 = 503 ⋅2470201.

It can be written as a sum of positive squares in 2 ways, for example, as 868480900 + 2142671521 = 29470^2 + 46289^2 .

It is a cyclic number.

It is not a de Polignac number, because 3011152421 - 2²² = 3006958117 is a prime.

It is a super-2 number, since 2×3011152421² = 18134077804988322482, 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 = 3011152393 and 3011152402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3011152429) 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, 88563290 + ... + 88563323.

It is an arithmetic number, because the mean of its divisors is an integer number (797069763).

Almost surely, 2^3011152421 is an apocalyptic number.

It is an amenable number.

3011152421 is a deficient number, since it is larger than the sum of its proper divisors (177126631).

3011152421 is a wasteful number, since it uses less digits than its factorization.

3011152421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177126630.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 3011152421 is about 54873.9685187795. The cubic root of 3011152421 is about 1444.0345352107.

Adding to 3011152421 its reverse (1242511103), we get a palindrome (4253663524).

The spelling of 3011152421 in words is "three billion, eleven million, one hundred fifty-two thousand, four hundred twenty-one".