Search a number
-
+
1013211211331 = 11678893154591
BaseRepresentation
bin11101011111010000001…
…10000010011001000011
310120212021102122111102102
432233220012002121003
5113100024032230311
62053243544341015
7133126214124104
oct16575006023103
93525242574372
101013211211331
11360778350570
1214444a47476b
137471234b857
143707ac723ab
151b5514d943b
hexebe8182643

1013211211331 has 16 divisors (see below), whose sum is σ = 1121952058368. Its totient is φ = 907245424800.

The previous prime is 1013211211319. The next prime is 1013211211333. The reversal of 1013211211331 is 1331121123101.

It is not a de Polignac number, because 1013211211331 - 210 = 1013211210307 is a prime.

It is a super-2 number, since 2×10132112113312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1013211211333) 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, 6476846 + ... + 6631436.

It is an arithmetic number, because the mean of its divisors is an integer number (70122003648).

Almost surely, 21013211211331 is an apocalyptic number.

1013211211331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1013211211331 is a deficient number, since it is larger than the sum of its proper divisors (108740847037).

1013211211331 is a wasteful number, since it uses less digits than its factorization.

1013211211331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163562.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 1013211211331 its reverse (1331121123101), we get a palindrome (2344332334432).

The spelling of 1013211211331 in words is "one trillion, thirteen billion, two hundred eleven million, two hundred eleven thousand, three hundred thirty-one".

Divisors: 1 11 67 737 8893 97823 154591 595831 1700501 6554141 10357597 113933567 1374777763 15122555393 92110110121 1013211211331