31140115200064 has 28 divisors (see below), whose sum is σ = 66547025032684. Its totient is φ = 14372360861184.

The previous prime is 31140115200059. The next prime is 31140115200083. The reversal of 31140115200064 is 46000251104113.

It can be written as a sum of positive squares in 2 ways, for example, as 12484972094464 + 18655143105600 = 3533408^2 + 4319160^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18714010707 + ... + 18714012370.

It is an arithmetic number, because the mean of its divisors is an integer number (2376679465453).

Almost surely, 2^{31140115200064} is an apocalyptic number.

It is an amenable number.

31140115200064 is an abundant number, since it is smaller than the sum of its proper divisors (35406909832620).

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

31140115200064 is a wasteful number, since it uses less digits than its factorization.

31140115200064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37428023102 (or 37428023092 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 31140115200064 its reverse (46000251104113), we get a palindrome (77140366304177).

The spelling of 31140115200064 in words is "thirty-one trillion, one hundred forty billion, one hundred fifteen million, two hundred thousand, sixty-four".