1131203102 has 4 divisors (see below), whose sum is σ = 1696804656. Its totient is φ = 565601550.

The previous prime is 1131203081. The next prime is 1131203123. The reversal of 1131203102 is 2013021311.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1131203081) and next prime (1131203123).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282800774 + ... + 282800777.

It is an arithmetic number, because the mean of its divisors is an integer number (424201164).

Almost surely, 2^1131203102 is an apocalyptic number.

1131203102 is a deficient number, since it is larger than the sum of its proper divisors (565601554).

1131203102 is an equidigital number, since it uses as much as digits as its factorization.

1131203102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565601553.

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

The square root of 1131203102 is about 33633.3629302810. The cubic root of 1131203102 is about 1041.9499603268.

Adding to 1131203102 its reverse (2013021311), we get a palindrome (3144224413).

The spelling of 1131203102 in words is "one billion, one hundred thirty-one million, two hundred three thousand, one hundred two".