31454244045 has 192 divisors, whose sum is σ = 66964285440. Its totient is φ = 13353984000.

The previous prime is 31454244037. The next prime is 31454244049. The reversal of 31454244045 is 54044245413.

31454244045 is a `hidden beast` number, since 31 + 4 + 542 + 4 + 40 + 45 = 666.

It is not a de Polignac number, because 31454244045 - 2³ = 31454244037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31454244049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 26189445 + ... + 26190645.

It is an arithmetic number, because the mean of its divisors is an integer number (348772320).

Almost surely, 2^31454244045 is an apocalyptic number.

31454244045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

31454244045 is an abundant number, since it is smaller than the sum of its proper divisors (35510041395).

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

31454244045 is a wasteful number, since it uses less digits than its factorization.

31454244045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356 (or 1353 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 31454244045 its reverse (54044245413), we get a palindrome (85498489458).

The spelling of 31454244045 in words is "thirty-one billion, four hundred fifty-four million, two hundred forty-four thousand, forty-five".