31030234442000 has 40 divisors (see below), whose sum is σ = 75031106885592. Its totient is φ = 12412093776000.

The previous prime is 31030234441963. The next prime is 31030234442059. The reversal of 31030234442000 is 24443203013.

It can be written as a sum of positive squares in 4 ways, for example, as 671324590336 + 30358909851664 = 819344^2 + 5509892^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7757556611 + ... + 7757560610.

Almost surely, 2^{31030234442000} is an apocalyptic number.

It is an amenable number.

31030234442000 is an abundant number, since it is smaller than the sum of its proper divisors (44000872443592).

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

31030234442000 is a wasteful number, since it uses less digits than its factorization.

31030234442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15515117244 (or 15515117228 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 31030234442000 its reverse (24443203013), we get a palindrome (31054677645013).

The spelling of 31030234442000 in words is "thirty-one trillion, thirty billion, two hundred thirty-four million, four hundred forty-two thousand".