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2131012023 = 37412719133
BaseRepresentation
bin111111100000100…
…1010100110110111
312111111212121221020
41333001022212313
513331014341043
6551242552223
7103544206020
oct17701124667
95444777836
102131012023
119a399a968
124b5808673
1327c65867a
1416303dc47
15c7140e83
hex7f04a9b7

2131012023 has 32 divisors (see below), whose sum is σ = 3339098112. Its totient is φ = 1183507200.

The previous prime is 2131012019. The next prime is 2131012057. The reversal of 2131012023 is 3202101312.

It is not a de Polignac number, because 2131012023 - 22 = 2131012019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131011993 and 2131012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131012063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228765 + ... + 237897.

It is an arithmetic number, because the mean of its divisors is an integer number (104346816).

Almost surely, 22131012023 is an apocalyptic number.

2131012023 is a deficient number, since it is larger than the sum of its proper divisors (1208086089).

2131012023 is a wasteful number, since it uses less digits than its factorization.

2131012023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2131012023 is about 46162.8857741801. The cubic root of 2131012023 is about 1286.8520932510.

Adding to 2131012023 its reverse (3202101312), we get a palindrome (5333113335).

It can be divided in two parts, 21310 and 12023, that added together give a palindrome (33333).

The spelling of 2131012023 in words is "two billion, one hundred thirty-one million, twelve thousand, twenty-three".

Divisors: 1 3 7 21 41 123 271 287 813 861 1897 5691 9133 11111 27399 33333 63931 77777 191793 233331 374453 1123359 2475043 2621171 7425129 7863513 17325301 51975903 101476763 304430289 710337341 2131012023