Search a number
-
+
31030112111303 = 297916018459933
BaseRepresentation
bin1110000111000110000101…
…10011110100101011000111
311001212110010212100221010202
413003203002303310223013
513031344132200030203
6145555011532441115
76351565051021214
oct703430263645307
9131773125327122
1031030112111303
119983884373948
123591a1591919b
131441186094216
14793c18aa2b0b
1538c26ee12388
hex1c38c2cf4ac7

31030112111303 has 16 divisors (see below), whose sum is σ = 32526754243200. Its totient is φ = 29562386380800.

The previous prime is 31030112111269. The next prime is 31030112111309. The reversal of 31030112111303 is 30311121103013.

It is a cyclic number.

It is not a de Polignac number, because 31030112111303 - 228 = 31029843675847 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 (31030112111309) 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, 562076 + ... + 7897857.

It is an arithmetic number, because the mean of its divisors is an integer number (2032922140200).

Almost surely, 231030112111303 is an apocalyptic number.

31030112111303 is a deficient number, since it is larger than the sum of its proper divisors (1496642131897).

31030112111303 is a wasteful number, since it uses less digits than its factorization.

31030112111303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461642.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 31030112111303 its reverse (30311121103013), we get a palindrome (61341233214316).

The spelling of 31030112111303 in words is "thirty-one trillion, thirty billion, one hundred twelve million, one hundred eleven thousand, three hundred three".

Divisors: 1 29 79 1601 2291 46429 126479 3667891 8459933 245338057 668334707 13544352733 19381706503 392786229257 1070003865907 31030112111303