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1042131201101 = 2595140157651
BaseRepresentation
bin11110010101000111101…
…11000010110001001101
310200121220220201012021122
433022203313002301031
5114033241041413401
62114425400210325
7135201661024064
oct17124367026115
93617826635248
101042131201101
11371a68992961
12149b7b7699a5
1377370a41833
1438621aa31db
151c1953ca21b
hexf2a3dc2c4d

1042131201101 has 4 divisors (see below), whose sum is σ = 1042171384704. Its totient is φ = 1042091017500.

The previous prime is 1042131201079. The next prime is 1042131201121. The reversal of 1042131201101 is 1011021312401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1042131201101 is a prime.

It is a super-2 number, since 2×10421312011012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042131201101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042131201121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20052875 + ... + 20104776.

It is an arithmetic number, because the mean of its divisors is an integer number (260542846176).

Almost surely, 21042131201101 is an apocalyptic number.

It is an amenable number.

1042131201101 is a deficient number, since it is larger than the sum of its proper divisors (40183603).

1042131201101 is an equidigital number, since it uses as much as digits as its factorization.

1042131201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40183602.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1042131201101 its reverse (1011021312401), we get a palindrome (2053152513502).

The spelling of 1042131201101 in words is "one trillion, forty-two billion, one hundred thirty-one million, two hundred one thousand, one hundred one".

Divisors: 1 25951 40157651 1042131201101