31141400312 has 64 divisors (see below), whose sum is σ = 64754380800. Its totient is φ = 13921488000.

The previous prime is 31141400261. The next prime is 31141400369. The reversal of 31141400312 is 21300414113.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2624489 + ... + 2636327.

It is an arithmetic number, because the mean of its divisors is an integer number (1011787200).

Almost surely, 2^31141400312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31141400312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32377190400).

31141400312 is an abundant number, since it is smaller than the sum of its proper divisors (33612980488).

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

31141400312 is a wasteful number, since it uses less digits than its factorization.

31141400312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12348 (or 12344 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 31141400312 its reverse (21300414113), we get a palindrome (52441814425).

The spelling of 31141400312 in words is "thirty-one billion, one hundred forty-one million, four hundred thousand, three hundred twelve".