31434033144 has 64 divisors (see below), whose sum is σ = 79343308800. Its totient is φ = 10377206784.

The previous prime is 31434033083. The next prime is 31434033149. The reversal of 31434033144 is 44133043413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31434033149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780392 + ... + 1797960.

It is an arithmetic number, because the mean of its divisors is an integer number (1239739200).

Almost surely, 2^31434033144 is an apocalyptic number.

It is an amenable number.

31434033144 is an abundant number, since it is smaller than the sum of its proper divisors (47909275656).

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

31434033144 is a wasteful number, since it uses less digits than its factorization.

31434033144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18292 (or 18288 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 31434033144 its reverse (44133043413), we get a palindrome (75567076557).

The spelling of 31434033144 in words is "thirty-one billion, four hundred thirty-four million, thirty-three thousand, one hundred forty-four".