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1301133131 = 17357121433
BaseRepresentation
bin100110110001101…
…1011011101001011
310100200022102002222
41031203123131023
510131042230011
6333035444255
744146310024
oct11543333513
93320272088
101301133131
11608501641
123038b668b
1317974397c
14c4b37c4b
1579365ddb
hex4d8db74b

1301133131 has 8 divisors (see below), whose sum is σ = 1378120464. Its totient is φ = 1224195840.

The previous prime is 1301133103. The next prime is 1301133133. The reversal of 1301133131 is 1313311031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-1301133131 is a prime.

It is a super-2 number, since 2×13011331312 = 3385894849171726322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1301133133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49991 + ... + 71423.

It is an arithmetic number, because the mean of its divisors is an integer number (172265058).

Almost surely, 21301133131 is an apocalyptic number.

1301133131 is a deficient number, since it is larger than the sum of its proper divisors (76987333).

1301133131 is a wasteful number, since it uses less digits than its factorization.

1301133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25021.

The product of its (nonzero) digits is 81, while the sum is 17.

The square root of 1301133131 is about 36071.2230316633. The cubic root of 1301133131 is about 1091.7098912577.

Adding to 1301133131 its reverse (1313311031), we get a palindrome (2614444162).

The spelling of 1301133131 in words is "one billion, three hundred one million, one hundred thirty-three thousand, one hundred thirty-one".

Divisors: 1 17 3571 21433 60707 364361 76537243 1301133131