5131340251340 has 24 divisors (see below), whose sum is σ = 10835349422352. Its totient is φ = 2041196120640.

The previous prime is 5131340251339. The next prime is 5131340251391. The reversal of 5131340251340 is 431520431315.

It is a super-3 number, since 3×5131340251340³ (a number of 39 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5131340251297 and 5131340251306.

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, 708745034 + ... + 708752273.

It is an arithmetic number, because the mean of its divisors is an integer number (451472892598).

Almost surely, 2^{5131340251340} is an apocalyptic number.

It is an amenable number.

5131340251340 is an abundant number, since it is smaller than the sum of its proper divisors (5704009171012).

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

5131340251340 is a wasteful number, since it uses less digits than its factorization.

5131340251340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1417497497 (or 1417497495 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 5131340251340 its reverse (431520431315), we get a palindrome (5562860682655).

The spelling of 5131340251340 in words is "five trillion, one hundred thirty-one billion, three hundred forty million, two hundred fifty-one thousand, three hundred forty".