11312130002 has 4 divisors (see below), whose sum is σ = 16968195006. Its totient is φ = 5656065000.

The previous prime is 11312129977. The next prime is 11312130029. The reversal of 11312130002 is 20003121311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20003121311 = 4987 ⋅4011053.

It can be written as a sum of positive squares in only one way, i.e., 11075247121 + 236882881 = 105239^2 + 15391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2828032499 + ... + 2828032502.

Almost surely, 2^11312130002 is an apocalyptic number.

11312130002 is a deficient number, since it is larger than the sum of its proper divisors (5656065004).

11312130002 is an equidigital number, since it uses as much as digits as its factorization.

11312130002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5656065003.

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

Adding to 11312130002 its reverse (20003121311), we get a palindrome (31315251313).

The spelling of 11312130002 in words is "eleven billion, three hundred twelve million, one hundred thirty thousand, two".