Search a number
-
+
31033102021130 = 2511233177483963
BaseRepresentation
bin1110000111001011101010…
…00001011011001000001010
311001212201212020102002100202
413003211311001123020022
513031421243104134010
6150000224340532202
76352032124600406
oct703456501331012
9131781766362322
1031033102021130
119985079072400
12359250b0b1062
131441541654b31
1479401dc00106
1538c3976616a5
hex1c397505b20a

31033102021130 has 48 divisors (see below), whose sum is σ = 61584874458912. Its totient is φ = 11250671282400.

The previous prime is 31033102021099. The next prime is 31033102021193. The reversal of 31033102021130 is 3112020133013.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38341472 + ... + 39142491.

It is an arithmetic number, because the mean of its divisors is an integer number (1283018217894).

Almost surely, 231033102021130 is an apocalyptic number.

31033102021130 is a deficient number, since it is larger than the sum of its proper divisors (30551772437782).

31033102021130 is a wasteful number, since it uses less digits than its factorization.

31033102021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77484323 (or 77484312 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 31033102021130 its reverse (3112020133013), we get a palindrome (34145122154143).

The spelling of 31033102021130 in words is "thirty-one trillion, thirty-three billion, one hundred two million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 121 242 331 605 662 1210 1655 3310 3641 7282 18205 36410 40051 80102 200255 400510 77483963 154967926 387419815 774839630 852323593 1704647186 4261617965 8523235930 9375559523 18751119046 25647191753 46877797615 51294383506 93755595230 128235958765 256471917530 282119109283 564238218566 1410595546415 2821191092830 3103310202113 6206620404226 15516551010565 31033102021130