31143114330 has 64 divisors (see below), whose sum is σ = 74981731968. Its totient is φ = 8278410240.

The previous prime is 31143114251. The next prime is 31143114361. The reversal of 31143114330 is 3341134113.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 31143114330.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17764734 + ... + 17766486.

It is an arithmetic number, because the mean of its divisors is an integer number (1171589562).

Almost surely, 2^31143114330 is an apocalyptic number.

31143114330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31143114330 is an abundant number, since it is smaller than the sum of its proper divisors (43838617638).

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

31143114330 is a wasteful number, since it uses less digits than its factorization.

31143114330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3311.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 31143114330 its reverse (3341134113), we get a palindrome (34484248443).

The spelling of 31143114330 in words is "thirty-one billion, one hundred forty-three million, one hundred fourteen thousand, three hundred thirty".