31342514215540 has 48 divisors (see below), whose sum is σ = 74278811134080. Its totient is φ = 11004268311680.

The previous prime is 31342514215423. The next prime is 31342514215543. The reversal of 31342514215540 is 4551241524313.

31342514215540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 31342514215493 and 31342514215502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31342514215543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2456303512 + ... + 2456316271.

It is an arithmetic number, because the mean of its divisors is an integer number (1547475231960).

Almost surely, 2^{31342514215540} is an apocalyptic number.

It is an amenable number.

31342514215540 is an abundant number, since it is smaller than the sum of its proper divisors (42936296918540).

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

31342514215540 is a wasteful number, since it uses less digits than its factorization.

31342514215540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912619832 (or 4912619830 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 31342514215540 its reverse (4551241524313), we get a palindrome (35893755739853).

The spelling of 31342514215540 in words is "thirty-one trillion, three hundred forty-two billion, five hundred fourteen million, two hundred fifteen thousand, five hundred forty".