31203434344 has 8 divisors (see below), whose sum is σ = 58506439410. Its totient is φ = 15601717168.

The previous prime is 31203434341. The next prime is 31203434347. The reversal of 31203434344 is 44343430213.

It is an interprime number because it is at equal distance from previous prime (31203434341) and next prime (31203434347).

It can be written as a sum of positive squares in only one way, i.e., 29525548900 + 1677885444 = 171830^2 + 40962^2 .

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

It is not an unprimeable number, because it can be changed into a prime (31203434341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1950214639 + ... + 1950214654.

Almost surely, 2^31203434344 is an apocalyptic number.

It is an amenable number.

31203434344 is a deficient number, since it is larger than the sum of its proper divisors (27303005066).

31203434344 is a wasteful number, since it uses less digits than its factorization.

31203434344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900429299 (or 3900429295 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 31203434344 its reverse (44343430213), we get a palindrome (75546864557).

The spelling of 31203434344 in words is "thirty-one billion, two hundred three million, four hundred thirty-four thousand, three hundred forty-four".