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23031031230001 = 224691025013629
BaseRepresentation
bin1010011110010010101000…
…11011110110111000110001
310000112202010011110121002201
411033021110123312320301
511004320022443330001
6120552150520343201
74564636265256214
oct517112433667061
9100482104417081
1023031031230001
11737a450791143
1226bb699914b01
13cb0a80a2b9a2
145989ca51977b
1529e153a03501
hex14f2546f6e31

23031031230001 has 4 divisors (see below), whose sum is σ = 23032056266100. Its totient is φ = 23030006193904.

The previous prime is 23031031229993. The next prime is 23031031230007. The reversal of 23031031230001 is 10003213013032.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20132729276401 + 2898301953600 = 4486951^2 + 1702440^2 .

It is a cyclic number.

It is not a de Polignac number, because 23031031230001 - 23 = 23031031229993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23031031230007) 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, 512484346 + ... + 512529283.

It is an arithmetic number, because the mean of its divisors is an integer number (5758014066525).

Almost surely, 223031031230001 is an apocalyptic number.

It is an amenable number.

23031031230001 is a deficient number, since it is larger than the sum of its proper divisors (1025036099).

23031031230001 is a wasteful number, since it uses less digits than its factorization.

23031031230001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025036098.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23031031230001 its reverse (10003213013032), we get a palindrome (33034244243033).

The spelling of 23031031230001 in words is "twenty-three trillion, thirty-one billion, thirty-one million, two hundred thirty thousand, one".

Divisors: 1 22469 1025013629 23031031230001