11002402131 has 24 divisors (see below), whose sum is σ = 17461819584. Its totient is φ = 6140872080.

The previous prime is 11002402109. The next prime is 11002402207. The reversal of 11002402131 is 13120420011.

It is not a de Polignac number, because 11002402131 - 2⁷ = 11002402003 is a prime.

It is a super-2 number, since 2×11002402131² (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 11002402131.

It is not an unprimeable number, because it can be changed into a prime (11002402031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 863985 + ... + 876626.

It is an arithmetic number, because the mean of its divisors is an integer number (727575816).

Almost surely, 2^11002402131 is an apocalyptic number.

11002402131 is a deficient number, since it is larger than the sum of its proper divisors (6459417453).

11002402131 is a wasteful number, since it uses less digits than its factorization.

11002402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740671 (or 1740664 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11002402131 its reverse (13120420011), we get a palindrome (24122822142).

The spelling of 11002402131 in words is "eleven billion, two million, four hundred two thousand, one hundred thirty-one".