31401432134304 has 48 divisors (see below), whose sum is σ = 82433284803072. Its totient is φ = 10466569384448.

The previous prime is 31401432134159. The next prime is 31401432134321. The reversal of 31401432134304 is 40343123410413.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7219584 + ... + 10720319.

It is an arithmetic number, because the mean of its divisors is an integer number (1717360100064).

Almost surely, 2^{31401432134304} is an apocalyptic number.

It is an amenable number.

31401432134304 is an abundant number, since it is smaller than the sum of its proper divisors (51031852668768).

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

31401432134304 is a wasteful number, since it uses less digits than its factorization.

31401432134304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17958149 (or 17958141 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 31401432134304 its reverse (40343123410413), we get a palindrome (71744555544717).

The spelling of 31401432134304 in words is "thirty-one trillion, four hundred one billion, four hundred thirty-two million, one hundred thirty-four thousand, three hundred four".