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1230321001 = 71313520011
BaseRepresentation
bin100100101010101…
…0011010101101001
310011202001210010111
41021111103111221
510004430233001
6322030014321
742326361460
oct11125232551
93152053114
101230321001
11581536418
122a40473a1
13167b7c5c0
14b95839d7
1573029851
hex49553569

1230321001 has 8 divisors (see below), whose sum is σ = 1514241344. Its totient is φ = 973440720.

The previous prime is 1230320983. The next prime is 1230321023. The reversal of 1230321001 is 1001230321.

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

It is not a de Polignac number, because 1230321001 - 29 = 1230320489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1230321601) 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, 6759915 + ... + 6760096.

It is an arithmetic number, because the mean of its divisors is an integer number (189280168).

Almost surely, 21230321001 is an apocalyptic number.

It is an amenable number.

1230321001 is a deficient number, since it is larger than the sum of its proper divisors (283920343).

1230321001 is a wasteful number, since it uses less digits than its factorization.

1230321001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13520031.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1230321001 is about 35075.9319334498. The cubic root of 1230321001 is about 1071.5344685536.

Adding to 1230321001 its reverse (1001230321), we get a palindrome (2231551322).

The spelling of 1230321001 in words is "one billion, two hundred thirty million, three hundred twenty-one thousand, one".

Divisors: 1 7 13 91 13520011 94640077 175760143 1230321001