31114421340 has 48 divisors (see below), whose sum is σ = 87178291200. Its totient is φ = 8291663680.

The previous prime is 31114421339. The next prime is 31114421347. The reversal of 31114421340 is 4312441113.

It is a self number, because there is not a number n which added to its sum of digits gives 31114421340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31114421347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80940 + ... + 262259.

It is an arithmetic number, because the mean of its divisors is an integer number (1816214400).

Almost surely, 2^31114421340 is an apocalyptic number.

31114421340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

31114421340 is an abundant number, since it is smaller than the sum of its proper divisors (56063869860).

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

31114421340 is a wasteful number, since it uses less digits than its factorization.

31114421340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344722 (or 344720 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 31114421340 its reverse (4312441113), we get a palindrome (35426862453).

The spelling of 31114421340 in words is "thirty-one billion, one hundred fourteen million, four hundred twenty-one thousand, three hundred forty".