103012351 has 16 divisors (see below), whose sum is σ = 113030848. Its totient is φ = 93312000.

The previous prime is 103012309. The next prime is 103012361. The reversal of 103012351 is 153210301.

It is a 10-Lehmer number, since φ(103012351) divides (103012351-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 103012351 - 2¹³ = 103004159 is a prime.

It is a super-2 number, since 2×103012351² = 21223088917094402, which contains 22 as substring.

It is the 10150-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103012361) by changing a digit.

It is a nontrivial repunit in base 10149.

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, 190141 + ... + 190681.

It is an arithmetic number, because the mean of its divisors is an integer number (7064428).

Almost surely, 2^103012351 is an apocalyptic number.

103012351 is a deficient number, since it is larger than the sum of its proper divisors (10018497).

103012351 is a wasteful number, since it uses less digits than its factorization.

103012351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 103012351 is about 10149.5000369476. The cubic root of 103012351 is about 468.7735505560.

Adding to 103012351 its reverse (153210301), we get a palindrome (256222652).

The spelling of 103012351 in words is "one hundred three million, twelve thousand, three hundred fifty-one".