31354113534344 has 8 divisors (see below), whose sum is σ = 58788962876910. Its totient is φ = 15677056767168.

The previous prime is 31354113534343. The next prime is 31354113534353. The reversal of 31354113534344 is 44343531145313.

It can be written as a sum of positive squares in only one way, i.e., 28634378232100 + 2719735302244 = 5351110^2 + 1649162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 31354113534295 and 31354113534304.

It is not an unprimeable number, because it can be changed into a prime (31354113534343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1959632095889 + ... + 1959632095904.

Almost surely, 2^{31354113534344} is an apocalyptic number.

It is an amenable number.

31354113534344 is a deficient number, since it is larger than the sum of its proper divisors (27434849342566).

31354113534344 is a wasteful number, since it uses less digits than its factorization.

31354113534344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3919264191799 (or 3919264191795 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 44.

Adding to 31354113534344 its reverse (44343531145313), we get a palindrome (75697644679657).

The spelling of 31354113534344 in words is "thirty-one trillion, three hundred fifty-four billion, one hundred thirteen million, five hundred thirty-four thousand, three hundred forty-four".