3101402221 has 8 divisors (see below), whose sum is σ = 3110112504. Its totient is φ = 3092705280.

The previous prime is 3101402131. The next prime is 3101402231. The reversal of 3101402221 is 1222041013.

It can be written as a sum of positive squares in 4 ways, for example, as 1882344996 + 1219057225 = 43386^2 + 34915^2 .

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 3101402221 - 2⁷ = 3101402093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3101402195 and 3101402204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3101402231) 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, 608335 + ... + 613411.

It is an arithmetic number, because the mean of its divisors is an integer number (388764063).

Almost surely, 2^3101402221 is an apocalyptic number.

It is an amenable number.

3101402221 is a deficient number, since it is larger than the sum of its proper divisors (8710283).

3101402221 is an equidigital number, since it uses as much as digits as its factorization.

3101402221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 3101402221 is about 55690.2345209643. The cubic root of 3101402221 is about 1458.3195497915.

Adding to 3101402221 its reverse (1222041013), we get a palindrome (4323443234).

The spelling of 3101402221 in words is "three billion, one hundred one million, four hundred two thousand, two hundred twenty-one".