31404432310404 has 48 divisors (see below), whose sum is σ = 73522132876416. Its totient is φ = 10433138918400.

The previous prime is 31404432310387. The next prime is 31404432310421. The reversal of 31404432310404 is 40401323440413.

It is an interprime number because it is at equal distance from previous prime (31404432310387) and next prime (31404432310421).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19307289 + ... + 20870559.

It is an arithmetic number, because the mean of its divisors is an integer number (1531711101592).

Almost surely, 2^{31404432310404} is an apocalyptic number.

It is an amenable number.

31404432310404 is an abundant number, since it is smaller than the sum of its proper divisors (42117700566012).

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

31404432310404 is a wasteful number, since it uses less digits than its factorization.

31404432310404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568876 (or 1568874 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 31404432310404 its reverse (40401323440413), we get a palindrome (71805755750817).

The spelling of 31404432310404 in words is "thirty-one trillion, four hundred four billion, four hundred thirty-two million, three hundred ten thousand, four hundred four".