31045441398 has 128 divisors (see below), whose sum is σ = 66886041600. Its totient is φ = 9590044800.

The previous prime is 31045441379. The next prime is 31045441411. The reversal of 31045441398 is 89314454013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 139217115 + ... + 139217337.

It is an arithmetic number, because the mean of its divisors is an integer number (522547200).

Almost surely, 2^31045441398 is an apocalyptic number.

31045441398 is an abundant number, since it is smaller than the sum of its proper divisors (35840600202).

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

31045441398 is a wasteful number, since it uses less digits than its factorization.

31045441398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578.

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 31045441398 in words is "thirty-one billion, forty-five million, four hundred forty-one thousand, three hundred ninety-eight".