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31001311100102 = 272518822228543
BaseRepresentation
bin1110000110010000011100…
…01000101011110011000110
311001202200210200011222012012
413003020032020223303012
513030411141120200402
6145533450011054222
76346525250326430
oct703101610536306
9131680720158165
1031001311100102
119972644a05952
123588318441372
13143b54622b265
147926859a3650
1538b6366c4452
hex1c320e22bcc6

31001311100102 has 16 divisors (see below), whose sum is σ = 53356838234112. Its totient is φ = 13233342813000.

The previous prime is 31001311100093. The next prime is 31001311100131. The reversal of 31001311100102 is 20100111310013.

It is a happy number.

It is a super-2 number, since 2×310013111001022 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4411110758 + ... + 4411117785.

It is an arithmetic number, because the mean of its divisors is an integer number (3334802389632).

Almost surely, 231001311100102 is an apocalyptic number.

31001311100102 is a deficient number, since it is larger than the sum of its proper divisors (22355527134010).

31001311100102 is a wasteful number, since it uses less digits than its factorization.

31001311100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822228803.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 31001311100102 its reverse (20100111310013), we get a palindrome (51101422410115).

The spelling of 31001311100102 in words is "thirty-one trillion, one billion, three hundred eleven million, one hundred thousand, one hundred two".

Divisors: 1 2 7 14 251 502 1757 3514 8822228543 17644457086 61755599801 123511199602 2214379364293 4428758728586 15500655550051 31001311100102