31341543366 has 128 divisors (see below), whose sum is σ = 81475200000. Its totient is φ = 7984230912.

The previous prime is 31341543353. The next prime is 31341543463. The reversal of 31341543366 is 66334514313.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 641160 + ... + 688308.

It is an arithmetic number, because the mean of its divisors is an integer number (636525000).

Almost surely, 2^31341543366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31341543366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40737600000).

31341543366 is an abundant number, since it is smaller than the sum of its proper divisors (50133656634).

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

31341543366 is a wasteful number, since it uses less digits than its factorization.

31341543366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47211 (or 47197 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The spelling of 31341543366 in words is "thirty-one billion, three hundred forty-one million, five hundred forty-three thousand, three hundred sixty-six".