Search a number
-
+
31022103113331 = 3111223768653909
BaseRepresentation
bin1110000110110111001010…
…11011111010111001110011
311001211200110201000200100020
413003123211123322321303
513031231231344111311
6145551205112054523
76351162430454001
oct703334533727163
9131750421020306
1031022103113331
119980444510160
12359035b694443
1314404aaa20675
14793699135a71
1538be51c3ac06
hex1c36e56fae73

31022103113331 has 16 divisors (see below), whose sum is σ = 45159954520320. Its totient is φ = 18785901511520.

The previous prime is 31022103113321. The next prime is 31022103113357. The reversal of 31022103113331 is 13331130122013.

It is not a de Polignac number, because 31022103113331 - 213 = 31022103105139 is a prime.

It is a super-2 number, since 2×310221031133312 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31022103113321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 384286596 + ... + 384367313.

It is an arithmetic number, because the mean of its divisors is an integer number (2822497157520).

Almost surely, 231022103113331 is an apocalyptic number.

31022103113331 is a deficient number, since it is larger than the sum of its proper divisors (14137851406989).

31022103113331 is a wasteful number, since it uses less digits than its factorization.

31022103113331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768655146.

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

Adding to 31022103113331 its reverse (13331130122013), we get a palindrome (44353233235344).

The spelling of 31022103113331 in words is "thirty-one trillion, twenty-two billion, one hundred three million, one hundred thirteen thousand, three hundred thirty-one".

Divisors: 1 3 11 33 1223 3669 13453 40359 768653909 2305961727 8455192999 25365578997 940063730707 2820191192121 10340701037777 31022103113331