31434303355 has 144 divisors (see below), whose sum is σ = 50289102720. Its totient is φ = 18768282624.

The previous prime is 31434303353. The next prime is 31434303359. The reversal of 31434303355 is 55330343413.

It is not a de Polignac number, because 31434303355 - 2¹ = 31434303353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31434303355.

It is not an unprimeable number, because it can be changed into a prime (31434303353) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56434737 + ... + 56435293.

It is an arithmetic number, because the mean of its divisors is an integer number (349229880).

Almost surely, 2^31434303355 is an apocalyptic number.

31434303355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

31434303355 is a deficient number, since it is larger than the sum of its proper divisors (18854799365).

31434303355 is a wasteful number, since it uses less digits than its factorization.

31434303355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 658 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 34.

Adding to 31434303355 its reverse (55330343413), we get a palindrome (86764646768).

The spelling of 31434303355 in words is "thirty-one billion, four hundred thirty-four million, three hundred three thousand, three hundred fifty-five".