31514002004 has 6 divisors (see below), whose sum is σ = 55149503514. Its totient is φ = 15757001000.

The previous prime is 31514001989. The next prime is 31514002049. The reversal of 31514002004 is 40020041513.

It can be written as a sum of positive squares in only one way, i.e., 26627712400 + 4886289604 = 163180^2 + 69902^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3939250247 + ... + 3939250254.

It is an arithmetic number, because the mean of its divisors is an integer number (9191583919).

Almost surely, 2^31514002004 is an apocalyptic number.

It is an amenable number.

31514002004 is a deficient number, since it is larger than the sum of its proper divisors (23635501510).

31514002004 is a wasteful number, since it uses less digits than its factorization.

31514002004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878500505 (or 7878500503 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 31514002004 its reverse (40020041513), we get a palindrome (71534043517).

The spelling of 31514002004 in words is "thirty-one billion, five hundred fourteen million, two thousand, four".