402112311 has 8 divisors (see below), whose sum is σ = 536379504. Its totient is φ = 267960000.

The previous prime is 402112303. The next prime is 402112327. The reversal of 402112311 is 113211204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 402112311 - 2³ = 402112303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402112301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20190 + ... + 34811.

It is an arithmetic number, because the mean of its divisors is an integer number (67047438).

Almost surely, 2^402112311 is an apocalyptic number.

402112311 is a deficient number, since it is larger than the sum of its proper divisors (134267193).

402112311 is a wasteful number, since it uses less digits than its factorization.

402112311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57441.

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

The square root of 402112311 is about 20052.7382419459. The cubic root of 402112311 is about 738.1009934421.

Adding to 402112311 its reverse (113211204), we get a palindrome (515323515).

The spelling of 402112311 in words is "four hundred two million, one hundred twelve thousand, three hundred eleven".