3071220421145 has 8 divisors (see below), whose sum is σ = 3685889688840. Its totient is φ = 2456692881280.

The previous prime is 3071220421117. The next prime is 3071220421147. The reversal of 3071220421145 is 5411240221703.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 687803176921 + 2383417244224 = 829339^2 + 1543832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3071220421145 - 2¹² = 3071220417049 is a prime.

It is a super-2 number, since 2×3071220421145² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3071220421147) 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, 35384276 + ... + 35470965.

It is an arithmetic number, because the mean of its divisors is an integer number (460736211105).

Almost surely, 2^{3071220421145} is an apocalyptic number.

It is an amenable number.

3071220421145 is a deficient number, since it is larger than the sum of its proper divisors (614669267695).

3071220421145 is an equidigital number, since it uses as much as digits as its factorization.

3071220421145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70863915.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 3071220421145 its reverse (5411240221703), we get a palindrome (8482460642848).

The spelling of 3071220421145 in words is "three trillion, seventy-one billion, two hundred twenty million, four hundred twenty-one thousand, one hundred forty-five".