31444414402004 has 36 divisors (see below), whose sum is σ = 59881930676316. Its totient is φ = 14397442481664.

The previous prime is 31444414401989. The next prime is 31444414402013. The reversal of 31444414402004 is 40020441444413.

It can be written as a sum of positive squares in 6 ways, for example, as 10562695000900 + 20881719401104 = 3250030^2 + 4569652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168795827 + ... + 168982010.

It is an arithmetic number, because the mean of its divisors is an integer number (1663386963231).

Almost surely, 2^{31444414402004} is an apocalyptic number.

31444414402004 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

31444414402004 is a deficient number, since it is larger than the sum of its proper divisors (28437516274312).

31444414402004 is a wasteful number, since it uses less digits than its factorization.

31444414402004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337777932 (or 337777893 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 31444414402004 its reverse (40020441444413), we get a palindrome (71464855846417).

The spelling of 31444414402004 in words is "thirty-one trillion, four hundred forty-four billion, four hundred fourteen million, four hundred two thousand, four".