Search a number
-
+
1310022221031 = 321949927153443
BaseRepresentation
bin10011000100000011011…
…010001011110011100111
311122020101200221000212200
4103010003122023303213
5132430411142033111
62441452122345543
7163434400102566
oct23040332136347
94566350830780
101310022221031
11465639434197
12191a8395b2b3
13966c4594c44
1447596653bdd
1524123c22256
hex1310368bce7

1310022221031 has 24 divisors (see below), whose sum is σ = 1991899528320. Its totient is φ = 827360491536.

The previous prime is 1310022221017. The next prime is 1310022221047. The reversal of 1310022221031 is 1301222200131.

It is not a de Polignac number, because 1310022221031 - 210 = 1310022220007 is a prime.

It is a super-2 number, since 2×13100222210312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1310022220995 and 1310022221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310022221051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8460796 + ... + 8614238.

It is an arithmetic number, because the mean of its divisors is an integer number (82995813680).

Almost surely, 21310022221031 is an apocalyptic number.

1310022221031 is a deficient number, since it is larger than the sum of its proper divisors (681877307289).

1310022221031 is a wasteful number, since it uses less digits than its factorization.

1310022221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203395 (or 203392 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1310022221031 its reverse (1301222200131), we get a palindrome (2611244421162).

The spelling of 1310022221031 in words is "one trillion, three hundred ten billion, twenty-two million, two hundred twenty-one thousand, thirty-one".

Divisors: 1 3 9 19 57 171 49927 149781 153443 449343 460329 948613 1380987 2845839 2915417 8537517 8746251 26238753 7660948661 22982845983 68948537949 145558024559 436674073677 1310022221031