31201501242404 has 18 divisors (see below), whose sum is σ = 57627703474614. Its totient is φ = 14779658482560.

The previous prime is 31201501242389. The next prime is 31201501242413. The reversal of 31201501242404 is 40424210510213.

It is a happy number.

31201501242404 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 22024249000000 + 9177252242404 = 4693000^2 + 3029398^2 .

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 5 ways as a sum of consecutive naturals, for example, 10803842477 + ... + 10803845364.

It is an arithmetic number, because the mean of its divisors is an integer number (3201539081923).

Almost surely, 2^{31201501242404} is an apocalyptic number.

It is an amenable number.

31201501242404 is a deficient number, since it is larger than the sum of its proper divisors (26426202232210).

31201501242404 is a wasteful number, since it uses less digits than its factorization.

31201501242404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21607687883 (or 21607687862 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 31201501242404 its reverse (40424210510213), we get a palindrome (71625711752617).

The spelling of 31201501242404 in words is "thirty-one trillion, two hundred one billion, five hundred one million, two hundred forty-two thousand, four hundred four".