31441957998 has 16 divisors (see below), whose sum is σ = 68600635776. Its totient is φ = 9527866040.

The previous prime is 31441957961. The next prime is 31441957999. The reversal of 31441957998 is 89975914413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31441957999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238196586 + ... + 238196717.

It is an arithmetic number, because the mean of its divisors is an integer number (4287539736).

Almost surely, 2^31441957998 is an apocalyptic number.

31441957998 is an abundant number, since it is smaller than the sum of its proper divisors (37158677778).

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

31441957998 is a wasteful number, since it uses less digits than its factorization.

31441957998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476393319.

The product of its digits is 9797760, while the sum is 60.

The spelling of 31441957998 in words is "thirty-one billion, four hundred forty-one million, nine hundred fifty-seven thousand, nine hundred ninety-eight".