2311153404 has 72 divisors (see below), whose sum is σ = 6391577808. Its totient is φ = 647861760.

The previous prime is 2311153399. The next prime is 2311153441. The reversal of 2311153404 is 4043511132.

It is a happy number.

2311153404 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5917 + ... + 68244.

It is an arithmetic number, because the mean of its divisors is an integer number (88771914).

Almost surely, 2^2311153404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2311153404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3195788904).

2311153404 is an abundant number, since it is smaller than the sum of its proper divisors (4080424404).

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

2311153404 is a wasteful number, since it uses less digits than its factorization.

2311153404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74235 (or 74226 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 2311153404 is about 48074.4568768073. The cubic root of 2311153404 is about 1322.1363866360.

Adding to 2311153404 its reverse (4043511132), we get a palindrome (6354664536).

The spelling of 2311153404 in words is "two billion, three hundred eleven million, one hundred fifty-three thousand, four hundred four".