31401133444004 has 12 divisors (see below), whose sum is σ = 54986393045724. Its totient is φ = 15690735430944.

The previous prime is 31401133444003. The next prime is 31401133444013. The reversal of 31401133444004 is 40044433110413.

It can be written as a sum of positive squares in 2 ways, for example, as 14297549064100 + 17103584379904 = 3781210^2 + 4135648^2 .

It is not an unprimeable number, because it can be changed into a prime (31401133444003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2457815579 + ... + 2457828354.

It is an arithmetic number, because the mean of its divisors is an integer number (4582199420477).

Almost surely, 2^{31401133444004} is an apocalyptic number.

It is an amenable number.

31401133444004 is a deficient number, since it is larger than the sum of its proper divisors (23585259601720).

31401133444004 is a wasteful number, since it uses less digits than its factorization.

31401133444004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915645534 (or 4915645532 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 31401133444004 its reverse (40044433110413), we get a palindrome (71445566554417).

The spelling of 31401133444004 in words is "thirty-one trillion, four hundred one billion, one hundred thirty-three million, four hundred forty-four thousand, four".