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1342441220131 = 11122040110921
BaseRepresentation
bin10011100010001111101…
…110110110100000100011
311202100002000222211012001
4103202033232312200203
5133443304423021011
62504413050144431
7165662642045134
oct23421756664043
94670060884161
101342441220131
11478365087030
12198210a22117
139978cb6864b
1448d90065c8b
1524dbedc67c1
hex1388fbb6823

1342441220131 has 4 divisors (see below), whose sum is σ = 1464481331064. Its totient is φ = 1220401109200.

The previous prime is 1342441220053. The next prime is 1342441220167. The reversal of 1342441220131 is 1310221442431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1342441220131 - 29 = 1342441219619 is a prime.

It is a super-2 number, since 2×13424412201312 (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 1342441220131.

It is not an unprimeable number, because it can be changed into a prime (1342441220171) 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, 61020055450 + ... + 61020055471.

It is an arithmetic number, because the mean of its divisors is an integer number (366120332766).

Almost surely, 21342441220131 is an apocalyptic number.

1342441220131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1342441220131 is a deficient number, since it is larger than the sum of its proper divisors (122040110933).

1342441220131 is a wasteful number, since it uses less digits than its factorization.

1342441220131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122040110932.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1342441220131 its reverse (1310221442431), we get a palindrome (2652662662562).

The spelling of 1342441220131 in words is "one trillion, three hundred forty-two billion, four hundred forty-one million, two hundred twenty thousand, one hundred thirty-one".

Divisors: 1 11 122040110921 1342441220131