1210312103 has 48 divisors (see below), whose sum is σ = 1741299840. Its totient is φ = 824644800.

The previous prime is 1210312097. The next prime is 1210312121. The reversal of 1210312103 is 3012130121.

It is not a de Polignac number, because 1210312103 - 2²⁰ = 1209263527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1210312193) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128588 + ... + 137678.

It is an arithmetic number, because the mean of its divisors is an integer number (36277080).

Almost surely, 2^1210312103 is an apocalyptic number.

1210312103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1210312103 is a deficient number, since it is larger than the sum of its proper divisors (530987737).

1210312103 is a wasteful number, since it uses less digits than its factorization.

1210312103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9148 (or 9141 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1210312103 is about 34789.5401378058. The cubic root of 1210312103 is about 1065.6938480791.

Adding to 1210312103 its reverse (3012130121), we get a palindrome (4222442224).

It can be divided in two parts, 1210 and 312103, that added together give a palindrome (313313).

The spelling of 1210312103 in words is "one billion, two hundred ten million, three hundred twelve thousand, one hundred three".