31001000221141 has 8 divisors (see below), whose sum is σ = 31074196708800. Its totient is φ = 30927842830368.

The previous prime is 31001000221073. The next prime is 31001000221157. The reversal of 31001000221141 is 14112200010013.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31001000221141 - 2⁴¹ = 28801976965589 is a prime.

It is a super-2 number, since 2×31001000221141² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31001000221171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8186191 + ... + 11358508.

It is an arithmetic number, because the mean of its divisors is an integer number (3884274588600).

Almost surely, 2^{31001000221141} is an apocalyptic number.

It is an amenable number.

31001000221141 is a deficient number, since it is larger than the sum of its proper divisors (73196487659).

31001000221141 is a wasteful number, since it uses less digits than its factorization.

31001000221141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19548443.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 31001000221141 its reverse (14112200010013), we get a palindrome (45113200231154).

The spelling of 31001000221141 in words is "thirty-one trillion, one billion, two hundred twenty-one thousand, one hundred forty-one".