31342435430544 has 160 divisors (see below), whose sum is σ = 106361850144000. Its totient is φ = 8646189060096.

The previous prime is 31342435430543. The next prime is 31342435430557. The reversal of 31342435430544 is 44503453424313.

31342435430544 is a `hidden beast` number, since 3 + 1 + 3 + 4 + 24 + 3 + 54 + 30 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 31342435430544.

It is not an unprimeable number, because it can be changed into a prime (31342435430543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 178611649 + ... + 178787040.

It is an arithmetic number, because the mean of its divisors is an integer number (664761563400).

Almost surely, 2^{31342435430544} is an apocalyptic number.

It is an amenable number.

31342435430544 is an abundant number, since it is smaller than the sum of its proper divisors (75019414713456).

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

31342435430544 is a wasteful number, since it uses less digits than its factorization.

31342435430544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357398742 (or 357398730 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 45.

Adding to 31342435430544 its reverse (44503453424313), we get a palindrome (75845888854857).

The spelling of 31342435430544 in words is "thirty-one trillion, three hundred forty-two billion, four hundred thirty-five million, four hundred thirty thousand, five hundred forty-four".