31412253505 has 16 divisors (see below), whose sum is σ = 38453111424. Its totient is φ = 24629230080.

The previous prime is 31412253503. The next prime is 31412253529. The reversal of 31412253505 is 50535221413.

It is not a de Polignac number, because 31412253505 - 2¹ = 31412253503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31412253503) 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, 264451 + ... + 364360.

It is an arithmetic number, because the mean of its divisors is an integer number (2403319464).

Almost surely, 2^31412253505 is an apocalyptic number.

It is an amenable number.

31412253505 is a deficient number, since it is larger than the sum of its proper divisors (7040857919).

31412253505 is a wasteful number, since it uses less digits than its factorization.

31412253505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629016.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 31412253505 its reverse (50535221413), we get a palindrome (81947474918).

The spelling of 31412253505 in words is "thirty-one billion, four hundred twelve million, two hundred fifty-three thousand, five hundred five".