11403131304 has 32 divisors (see below), whose sum is σ = 28533417120. Its totient is φ = 3797631936.

The previous prime is 11403131297. The next prime is 11403131317. The reversal of 11403131304 is 40313130411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185874 + ... + 239489.

It is an arithmetic number, because the mean of its divisors is an integer number (891669285).

Almost surely, 2^11403131304 is an apocalyptic number.

It is an amenable number.

11403131304 is an abundant number, since it is smaller than the sum of its proper divisors (17130285816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11403131304 is a wasteful number, since it uses less digits than its factorization.

11403131304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426489 (or 426485 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11403131304 its reverse (40313130411), we get a palindrome (51716261715).

It can be divided in two parts, 11 and 403131304, that multiplied together give a palindrome (4434444344).

The spelling of 11403131304 in words is "eleven billion, four hundred three million, one hundred thirty-one thousand, three hundred four".