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1023211200131 = 5413189028487
BaseRepresentation
bin11101110001111000010…
…00111101111010000011
310121211002100101120011222
432320330020331322003
5113231014031401011
62102020131025255
7133632061461311
oct16707410757203
93554070346158
101023211200131
11364a3a05811a
1214637b43b22b
1375647033ba3
1437748dd10b1
151b939393ddb
hexee3c23de83

1023211200131 has 4 divisors (see below), whose sum is σ = 1023400234032. Its totient is φ = 1023022166232.

The previous prime is 1023211200127. The next prime is 1023211200133. The reversal of 1023211200131 is 1310021123201.

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 1023211200131 - 22 = 1023211200127 is a prime.

It is a super-2 number, since 2×10232112001312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1023211200133) 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, 94508831 + ... + 94519656.

It is an arithmetic number, because the mean of its divisors is an integer number (255850058508).

Almost surely, 21023211200131 is an apocalyptic number.

1023211200131 is a deficient number, since it is larger than the sum of its proper divisors (189033901).

1023211200131 is an equidigital number, since it uses as much as digits as its factorization.

1023211200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189033900.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1023211200131 its reverse (1310021123201), we get a palindrome (2333232323332).

The spelling of 1023211200131 in words is "one trillion, twenty-three billion, two hundred eleven million, two hundred thousand, one hundred thirty-one".

Divisors: 1 5413 189028487 1023211200131