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1344999931 = 111725971101
BaseRepresentation
bin101000000101011…
…0001000111111011
310110201212002001021
41100022301013323
510223304444211
6341244003311
745221211412
oct12012610773
93421762037
101344999931
116302433a0
12316530537
13185862562
14ca8b6479
157d12d771
hex502b11fb

1344999931 has 48 divisors (see below), whose sum is σ = 1623317760. Its totient is φ = 1104320000.

The previous prime is 1344999923. The next prime is 1344999937. The reversal of 1344999931 is 1399994431.

It is a happy number.

It is not a de Polignac number, because 1344999931 - 23 = 1344999923 is a prime.

It is a super-2 number, since 2×13449999312 = 3618049628780009522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1344999937) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13316781 + ... + 13316881.

It is an arithmetic number, because the mean of its divisors is an integer number (33819120).

Almost surely, 21344999931 is an apocalyptic number.

1344999931 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1344999931 is a deficient number, since it is larger than the sum of its proper divisors (278317829).

1344999931 is a wasteful number, since it uses less digits than its factorization.

1344999931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 259 counting only the distinct ones).

The product of its digits is 944784, while the sum is 52.

The square root of 1344999931 is about 36674.2407010697. The cubic root of 1344999931 is about 1103.8432866170.

It can be divided in two parts, 13 and 44999931, that added together give a palindrome (44999944).

The spelling of 1344999931 in words is "one billion, three hundred forty-four million, nine hundred ninety-nine thousand, nine hundred thirty-one".

Divisors: 1 11 17 59 71 101 187 289 649 781 1003 1111 1207 1717 3179 4189 5959 7171 11033 13277 17051 18887 20519 29189 46079 65549 71213 78881 101303 121907 187561 225709 321079 423089 783343 1114333 1210621 1340977 1722151 2072419 4653979 7192513 13316831 18943661 22796609 79117643 122272721 1344999931