2311520254 has 16 divisors (see below), whose sum is σ = 3552268608. Its totient is φ = 1127586592.

The previous prime is 2311520219. The next prime is 2311520257. The reversal of 2311520254 is 4520251132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2311520257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8989 + ... + 68584.

It is an arithmetic number, because the mean of its divisors is an integer number (222016788).

Almost surely, 2^2311520254 is an apocalyptic number.

2311520254 is a deficient number, since it is larger than the sum of its proper divisors (1240748354).

2311520254 is a wasteful number, since it uses less digits than its factorization.

2311520254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77939.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2311520254 is about 48078.2721611332. The cubic root of 2311520254 is about 1322.2063372895.

Adding to 2311520254 its reverse (4520251132), we get a palindrome (6831771386).

The spelling of 2311520254 in words is "two billion, three hundred eleven million, five hundred twenty thousand, two hundred fifty-four".