31440034501465 has 16 divisors (see below), whose sum is σ = 37801336433040. Its totient is φ = 25103166499840.

The previous prime is 31440034501459. The next prime is 31440034501669. The reversal of 31440034501465 is 56410543004413.

It can be written as a sum of positive squares in 8 ways, for example, as 587908629504 + 30852125871961 = 766752^2 + 5554469^2 .

It is not a de Polignac number, because 31440034501465 - 2³ = 31440034501457 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137661747 + ... + 137889943.

It is an arithmetic number, because the mean of its divisors is an integer number (2362583527065).

Almost surely, 2^{31440034501465} is an apocalyptic number.

It is an amenable number.

31440034501465 is a deficient number, since it is larger than the sum of its proper divisors (6361301931575).

31440034501465 is a wasteful number, since it uses less digits than its factorization.

31440034501465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281612.

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 31440034501465 its reverse (56410543004413), we get a palindrome (87850577505878).

The spelling of 31440034501465 in words is "thirty-one trillion, four hundred forty billion, thirty-four million, five hundred one thousand, four hundred sixty-five".