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1311413421101 = 7187344774443
BaseRepresentation
bin10011000101010110010…
…101001100010000101101
311122100222122201022121012
4103011112111030100231
5132441233313433401
62442242140515005
7163514022104510
oct23052625142055
94570878638535
101311413421101
11466192762413
121921b184ba65
1396886882154
1447689314d77
15241a5e298bb
hex1315654c42d

1311413421101 has 4 divisors (see below), whose sum is σ = 1498758195552. Its totient is φ = 1124068646652.

The previous prime is 1311413421041. The next prime is 1311413421103. The reversal of 1311413421101 is 1011243141131.

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 not a de Polignac number, because 1311413421101 - 26 = 1311413421037 is a prime.

It is a super-2 number, since 2×13114134211012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311413421103) 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, 93672387215 + ... + 93672387228.

It is an arithmetic number, because the mean of its divisors is an integer number (374689548888).

Almost surely, 21311413421101 is an apocalyptic number.

It is an amenable number.

1311413421101 is a deficient number, since it is larger than the sum of its proper divisors (187344774451).

1311413421101 is an equidigital number, since it uses as much as digits as its factorization.

1311413421101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187344774450.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 1311413421101 its reverse (1011243141131), we get a palindrome (2322656562232).

The spelling of 1311413421101 in words is "one trillion, three hundred eleven billion, four hundred thirteen million, four hundred twenty-one thousand, one hundred one".

Divisors: 1 7 187344774443 1311413421101