3102321145 has 16 divisors (see below), whose sum is σ = 4641395328. Its totient is φ = 1933914240.

The previous prime is 3102321119. The next prime is 3102321163. The reversal of 3102321145 is 5411232013.

It is a happy number.

It is not a de Polignac number, because 3102321145 - 2⁷ = 3102321017 is a prime.

It is a super-2 number, since 2×3102321145² = 19248792973428222050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4028604 + ... + 4029373.

It is an arithmetic number, because the mean of its divisors is an integer number (290087208).

Almost surely, 2^3102321145 is an apocalyptic number.

3102321145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3102321145 is a deficient number, since it is larger than the sum of its proper divisors (1539074183).

3102321145 is a wasteful number, since it uses less digits than its factorization.

3102321145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8058000.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 3102321145 is about 55698.4842253360. The cubic root of 3102321145 is about 1458.4635655633.

Adding to 3102321145 its reverse (5411232013), we get a palindrome (8513553158).

The spelling of 3102321145 in words is "three billion, one hundred two million, three hundred twenty-one thousand, one hundred forty-five".