Search a number
-
+
31010233311132 = 22310635051481297
BaseRepresentation
bin1110000110100001000011…
…11100001101111110011100
311001210112211110220020210120
413003100201330031332130
513031032424211424012
6145541523213034540
76350262330013455
oct703204174157634
9131715743806716
1031010233311132
1199764032a6079
123589ba8485a50
13143c33884367a
14792c9092a12c
1538b9a9b3758c
hex1c3421f0df9c

31010233311132 has 48 divisors (see below), whose sum is σ = 72439769240832. Its totient is φ = 10324954310400.

The previous prime is 31010233311037. The next prime is 31010233311137. The reversal of 31010233311132 is 23111333201013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31010233311137) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 64189908 + ... + 64671204.

It is an arithmetic number, because the mean of its divisors is an integer number (1509161859184).

Almost surely, 231010233311132 is an apocalyptic number.

It is an amenable number.

31010233311132 is an abundant number, since it is smaller than the sum of its proper divisors (41429535929700).

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

31010233311132 is a wasteful number, since it uses less digits than its factorization.

31010233311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487418 (or 487416 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 31010233311132 its reverse (23111333201013), we get a palindrome (54121566512145).

The spelling of 31010233311132 in words is "thirty-one trillion, ten billion, two hundred thirty-three million, three hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 1063 2126 3189 4252 5051 6378 10102 12756 15153 20204 30306 60612 481297 962594 1443891 1925188 2887782 5369213 5775564 10738426 16107639 21476852 32215278 64430556 511618711 1023237422 1534856133 2046474844 2431031147 3069712266 4862062294 6139424532 7293093441 9724124588 14586186882 29172373764 2584186109261 5168372218522 7752558327783 10336744437044 15505116655566 31010233311132