30440343131344 has 20 divisors (see below), whose sum is σ = 60880686263680. Its totient is φ = 14729198289120.

The previous prime is 30440343131309. The next prime is 30440343131353. The reversal of 30440343131344 is 44313134304403.

30440343131344 is an admirable number.

It is a super-2 number, since 2×30440343131344² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30685829274 + ... + 30685830265.

It is an arithmetic number, because the mean of its divisors is an integer number (3044034313184).

Almost surely, 2^{30440343131344} is an apocalyptic number.

It is an amenable number.

30440343131344 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30440343131344 is a wasteful number, since it uses less digits than its factorization.

30440343131344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61371659578 (or 61371659572 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 37.

Adding to 30440343131344 its reverse (44313134304403), we get a palindrome (74753477435747).

The spelling of 30440343131344 in words is "thirty trillion, four hundred forty billion, three hundred forty-three million, one hundred thirty-one thousand, three hundred forty-four".