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1312232132101 = 11119293830191
BaseRepresentation
bin10011000110000111001…
…000010100111000000101
311122110002201021010221211
4103012013020110320011
5132444422411211401
62442455304411421
7163543223041162
oct23060710247005
94573081233854
101312232132101
11466572913080
1219239ba76b71
1396987386827
1447725d51069
1524202c4a951
hex13187214e05

1312232132101 has 4 divisors (see below), whose sum is σ = 1431525962304. Its totient is φ = 1192938301900.

The previous prime is 1312232132069. The next prime is 1312232132227. The reversal of 1312232132101 is 1012312322131.

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 not a de Polignac number, because 1312232132101 - 25 = 1312232132069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312232132401) 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, 59646915085 + ... + 59646915106.

It is an arithmetic number, because the mean of its divisors is an integer number (357881490576).

Almost surely, 21312232132101 is an apocalyptic number.

1312232132101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1312232132101 is a deficient number, since it is larger than the sum of its proper divisors (119293830203).

1312232132101 is a wasteful number, since it uses less digits than its factorization.

1312232132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119293830202.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 1312232132101 its reverse (1012312322131), we get a palindrome (2324544454232).

The spelling of 1312232132101 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, one hundred thirty-two thousand, one hundred one".

Divisors: 1 11 119293830191 1312232132101