11231402 has 48 divisors (see below), whose sum is σ = 21503232. Its totient is φ = 4305600.

The previous prime is 11231399. The next prime is 11231431. The reversal of 11231402 is 20413211.

It is a super-2 number, since 2×11231402² = 252288781771208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111152 + ... + 111252.

It is an arithmetic number, because the mean of its divisors is an integer number (447984).

Almost surely, 2^11231402 is an apocalyptic number.

11231402 is a deficient number, since it is larger than the sum of its proper divisors (10271830).

11231402 is a wasteful number, since it uses less digits than its factorization.

11231402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 11231402 is about 3351.3283933390. The cubic root of 11231402 is about 223.9466949053.

Adding to 11231402 its reverse (20413211), we get a palindrome (31644613).

The spelling of 11231402 in words is "eleven million, two hundred thirty-one thousand, four hundred two".