31132305340000 has 60 divisors (see below), whose sum is σ = 76590141031404. Its totient is φ = 12452922128000.

The previous prime is 31132305339979. The next prime is 31132305340009. The reversal of 31132305340000 is 4350323113.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31132305340009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 778287634 + ... + 778327633.

Almost surely, 2^{31132305340000} is an apocalyptic number.

It is an amenable number.

31132305340000 is an abundant number, since it is smaller than the sum of its proper divisors (45457835691404).

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

31132305340000 is an equidigital number, since it uses as much as digits as its factorization.

31132305340000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556615297 (or 1556615274 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 31132305340000 its reverse (4350323113), we get a palindrome (31136655663113).

The spelling of 31132305340000 in words is "thirty-one trillion, one hundred thirty-two billion, three hundred five million, three hundred forty thousand".