2314511531540 has 24 divisors (see below), whose sum is σ = 5234356848840. Its totient is φ = 854588873088.

The previous prime is 2314511531513. The next prime is 2314511531561. The reversal of 2314511531540 is 451351154132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85098224656 + 2229413306884 = 291716^2 + 1493122^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2314511531540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4450983455 + ... + 4450983974.

It is an arithmetic number, because the mean of its divisors is an integer number (218098202035).

Almost surely, 2^{2314511531540} is an apocalyptic number.

2314511531540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2314511531540 is an abundant number, since it is smaller than the sum of its proper divisors (2919845317300).

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

2314511531540 is a wasteful number, since it uses less digits than its factorization.

2314511531540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901967451 (or 8901967449 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 2314511531540 its reverse (451351154132), we get a palindrome (2765862685672).

The spelling of 2314511531540 in words is "two trillion, three hundred fourteen billion, five hundred eleven million, five hundred thirty-one thousand, five hundred forty".