103011345 has 56 divisors (see below), whose sum is σ = 188870400. Its totient is φ = 53895456.

The previous prime is 103011343. The next prime is 103011373. The reversal of 103011345 is 543110301.

It is not a de Polignac number, because 103011345 - 2¹ = 103011343 is a prime.

It is a super-2 number, since 2×103011345² = 21222674397418050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103011341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 214816 + ... + 215294.

Almost surely, 2^103011345 is an apocalyptic number.

103011345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103011345 is a deficient number, since it is larger than the sum of its proper divisors (85859055).

103011345 is an frugal number, since it uses more digits than its factorization.

103011345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 103011345 is about 10149.4504777352. The cubic root of 103011345 is about 468.7720245651.

Adding to 103011345 its reverse (543110301), we get a palindrome (646121646).

The spelling of 103011345 in words is "one hundred three million, eleven thousand, three hundred forty-five".