11312003132 has 12 divisors (see below), whose sum is σ = 19799997336. Its totient is φ = 5654861040.

The previous prime is 11312003069. The next prime is 11312003147. The reversal of 11312003132 is 23130021311.

It is a super-2 number, since 2×11312003132² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11312003132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262619 + ... + 302642.

It is an arithmetic number, because the mean of its divisors is an integer number (1649999778).

Almost surely, 2^11312003132 is an apocalyptic number.

It is an amenable number.

11312003132 is a deficient number, since it is larger than the sum of its proper divisors (8487994204).

11312003132 is a wasteful number, since it uses less digits than its factorization.

11312003132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570268 (or 570266 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11312003132 its reverse (23130021311), we get a palindrome (34442024443).

The spelling of 11312003132 in words is "eleven billion, three hundred twelve million, three thousand, one hundred thirty-two".