11402331 has 4 divisors (see below), whose sum is σ = 15203112. Its totient is φ = 7601552.

The previous prime is 11402329. The next prime is 11402351. The reversal of 11402331 is 13320411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11402331 - 2¹ = 11402329 is a prime.

It is a super-2 number, since 2×11402331² = 260026304467122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11402331.

It is not an unprimeable number, because it can be changed into a prime (11402311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1900386 + ... + 1900391.

It is an arithmetic number, because the mean of its divisors is an integer number (3800778).

Almost surely, 2^11402331 is an apocalyptic number.

11402331 is a deficient number, since it is larger than the sum of its proper divisors (3800781).

11402331 is an equidigital number, since it uses as much as digits as its factorization.

11402331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3800780.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 11402331 is about 3376.7337768915. The cubic root of 11402331 is about 225.0770501547.

Adding to 11402331 its reverse (13320411), we get a palindrome (24722742).

The spelling of 11402331 in words is "eleven million, four hundred two thousand, three hundred thirty-one".