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1301340381 = 311192313349
BaseRepresentation
bin100110110010000…
…1110000011011101
310100200200221101220
41031210032003131
510131120343011
6333044123553
744151132165
oct11544160335
93320627356
101301340381
11608633320
123039965b9
131797b70c3
14c4b8d5a5
15793a7506
hex4d90e0dd

1301340381 has 48 divisors (see below), whose sum is σ = 2009851200. Its totient is φ = 742659840.

The previous prime is 1301340353. The next prime is 1301340487. The reversal of 1301340381 is 1830431031.

It is not a de Polignac number, because 1301340381 - 25 = 1301340349 is a prime.

It is a super-2 number, since 2×13013403812 = 3386973574442450322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301340331) 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, 3728595 + ... + 3728943.

It is an arithmetic number, because the mean of its divisors is an integer number (41871900).

Almost surely, 21301340381 is an apocalyptic number.

1301340381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1301340381 is a deficient number, since it is larger than the sum of its proper divisors (708510819).

1301340381 is a wasteful number, since it uses less digits than its factorization.

1301340381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1301340381 is about 36074.0957059217. The cubic root of 1301340381 is about 1091.7678522400.

The spelling of 1301340381 in words is "one billion, three hundred one million, three hundred forty thousand, three hundred eighty-one".

Divisors: 1 3 11 19 33 57 209 313 349 361 627 939 1047 1083 3443 3839 3971 5947 6631 10329 11517 11913 17841 19893 65417 72941 109237 112993 125989 196251 218823 327711 338979 377967 1201607 1242923 1385879 2075503 3604821 3728769 4157637 6226509 22830533 39434557 68491599 118303671 433780127 1301340381