11331402102 has 12 divisors (see below), whose sum is σ = 24551371260. Its totient is φ = 3777134028.

The previous prime is 11331402083. The next prime is 11331402109. The reversal of 11331402102 is 20120413311.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 629522339 = 11331402102 / (1 + 1 + 3 + 3 + 1 + 4 + 0 + 2 + 1 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331402109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 314761152 + ... + 314761187.

It is an arithmetic number, because the mean of its divisors is an integer number (2045947605).

Almost surely, 2^11331402102 is an apocalyptic number.

11331402102 is an abundant number, since it is smaller than the sum of its proper divisors (13219969158).

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

11331402102 is a wasteful number, since it uses less digits than its factorization.

11331402102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629522347 (or 629522344 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11331402102 its reverse (20120413311), we get a palindrome (31451815413).

The spelling of 11331402102 in words is "eleven billion, three hundred thirty-one million, four hundred two thousand, one hundred two".