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13102203130231 = 293731211260343
BaseRepresentation
bin1011111010101001100000…
…1010011101000101110111
31201101120002001201111001011
42332222120022131011313
53204131303000131411
643511022524213051
72521413544024165
oct276523012350567
951346061644034
1013102203130231
1141a1682103186
12157736539a187
137406bca541c7
143342158da235
1517ac4200ac21
hexbea9829d177

13102203130231 has 8 divisors (see below), whose sum is σ = 13590341059680. Its totient is φ = 12616487722272.

The previous prime is 13102203130201. The next prime is 13102203130241. The reversal of 13102203130231 is 13203130220131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13102203130231 - 215 = 13102203097463 is a prime.

It is a super-2 number, since 2×131022031302312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102203130201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605619355 + ... + 605640988.

It is an arithmetic number, because the mean of its divisors is an integer number (1698792632460).

Almost surely, 213102203130231 is an apocalyptic number.

13102203130231 is a deficient number, since it is larger than the sum of its proper divisors (488137929449).

13102203130231 is a wasteful number, since it uses less digits than its factorization.

13102203130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211260745.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13102203130231 its reverse (13203130220131), we get a palindrome (26305333350362).

The spelling of 13102203130231 in words is "thirteen trillion, one hundred two billion, two hundred three million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 29 373 10817 1211260343 35126549947 451800107939 13102203130231