31440530314164 has 24 divisors (see below), whose sum is σ = 73366945472800. Its totient is φ = 10479361332384.

The previous prime is 31440530314147. The next prime is 31440530314177. The reversal of 31440530314164 is 46141303504413.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 101769214 + ... + 102077685.

Almost surely, 2^{31440530314164} is an apocalyptic number.

It is an amenable number.

31440530314164 is an abundant number, since it is smaller than the sum of its proper divisors (41926415158636).

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

31440530314164 is a wasteful number, since it uses less digits than its factorization.

31440530314164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203859759 (or 203859757 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 31440530314164 its reverse (46141303504413), we get a palindrome (77581833818577).

The spelling of 31440530314164 in words is "thirty-one trillion, four hundred forty billion, five hundred thirty million, three hundred fourteen thousand, one hundred sixty-four".