Search a number
-
+
31032021321983 = 1111788923930077
BaseRepresentation
bin1110000111001001101001…
…00110111000100011111111
311001212122001220212212211102
413003210310212320203333
513031412034424300413
6145555525213443315
76351663263032133
oct703446446704377
9131778056785742
1031032021321983
119984674040110
1235922691a053b
1314413cb7a1296
14793d5a4873c3
1538c33283e458
hex1c39349b88ff

31032021321983 has 8 divisors (see below), whose sum is σ = 33853402745040. Its totient is φ = 28210687994880.

The previous prime is 31032021321947. The next prime is 31032021322039. The reversal of 31032021321983 is 38912312023013.

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 31032021321983 - 230 = 31030947580159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31032021321943) 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, 10668260 + ... + 13261817.

It is an arithmetic number, because the mean of its divisors is an integer number (4231675343130).

Almost surely, 231032021321983 is an apocalyptic number.

31032021321983 is a deficient number, since it is larger than the sum of its proper divisors (2821381423057).

31032021321983 is a wasteful number, since it uses less digits than its factorization.

31032021321983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24047977.

The product of its (nonzero) digits is 46656, while the sum is 38.

Adding to 31032021321983 its reverse (38912312023013), we get a palindrome (69944333344996).

The spelling of 31032021321983 in words is "thirty-one trillion, thirty-two billion, twenty-one million, three hundred twenty-one thousand, nine hundred eighty-three".

Divisors: 1 11 117889 1296779 23930077 263230847 2821092847453 31032021321983