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23131302302091 = 3137194113289937
BaseRepresentation
bin1010100001001101011010…
…00011101001000110001011
310000220022221020011211100110
411100212231003221012023
511012440401342131331
6121110212405405403
74605116143312314
oct520465503510613
9100808836154313
1023131302302091
117408a26132765
122717002409863
13cba37074b1c9
1459d7bd57d60b
152a1a71935946
hex1509ad0e918b

23131302302091 has 16 divisors (see below), whose sum is σ = 31067125762464. Its totient is φ = 15308175458304.

The previous prime is 23131302302029. The next prime is 23131302302099. The reversal of 23131302302091 is 19020320313132.

It is not a de Polignac number, because 23131302302091 - 27 = 23131302301963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23131302302099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79635475 + ... + 79925411.

It is an arithmetic number, because the mean of its divisors is an integer number (1941695360154).

Almost surely, 223131302302091 is an apocalyptic number.

23131302302091 is a deficient number, since it is larger than the sum of its proper divisors (7935823460373).

23131302302091 is a wasteful number, since it uses less digits than its factorization.

23131302302091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484190.

The product of its (nonzero) digits is 5832, while the sum is 30.

The spelling of 23131302302091 in words is "twenty-three trillion, one hundred thirty-one billion, three hundred two million, three hundred two thousand, ninety-one".

Divisors: 1 3 137 411 194113 289937 582339 869811 26593481 39721369 79780443 119164107 56280540881 168841622643 7710434100697 23131302302091