31450011250064 has 20 divisors (see below), whose sum is σ = 66473887415280. Its totient is φ = 14295459659040.

The previous prime is 31450011250061. The next prime is 31450011250067. The reversal of 31450011250064 is 46005211005413.

It is an interprime number because it is at equal distance from previous prime (31450011250061) and next prime (31450011250067).

It is a self number, because there is not a number n which added to its sum of digits gives 31450011250064.

It is not an unprimeable number, because it can be changed into a prime (31450011250061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89346622694 + ... + 89346623045.

It is an arithmetic number, because the mean of its divisors is an integer number (3323694370764).

Almost surely, 2^{31450011250064} is an apocalyptic number.

It is an amenable number.

31450011250064 is an abundant number, since it is smaller than the sum of its proper divisors (35023876165216).

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

31450011250064 is a wasteful number, since it uses less digits than its factorization.

31450011250064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178693245758 (or 178693245752 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 31450011250064 its reverse (46005211005413), we get a palindrome (77455222255477).

The spelling of 31450011250064 in words is "thirty-one trillion, four hundred fifty billion, eleven million, two hundred fifty thousand, sixty-four".