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23013303303131 = 118725917482743
BaseRepresentation
bin1010011101110001100111…
…10001001011101111011011
310000111001100200020121020122
411032320303301023233123
511004022221121200011
6120540055433343455
74563441052341221
oct516706361135733
9100431320217218
1023013303303131
117372983839309
1226b8170867b8b
13cac1b6c9ba2b
14597bc7cb2b11
1529d96748e3db
hex14ee33c4bbdb

23013303303131 has 8 divisors (see below), whose sum is σ = 23041583668224. Its totient is φ = 22985037911080.

The previous prime is 23013303303119. The next prime is 23013303303167. The reversal of 23013303303131 is 13130330331032.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 23013303303131 - 234 = 22996123433947 is a prime.

It is a super-2 number, since 2×230133033031312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23013303303131.

It is not an unprimeable number, because it can be changed into a prime (23013303303931) 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, 665855 + ... + 6816888.

It is an arithmetic number, because the mean of its divisors is an integer number (2880197958528).

Almost surely, 223013303303131 is an apocalyptic number.

23013303303131 is a deficient number, since it is larger than the sum of its proper divisors (28280365093).

23013303303131 is a wasteful number, since it uses less digits than its factorization.

23013303303131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7486521.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 23013303303131 its reverse (13130330331032), we get a palindrome (36143633634163).

The spelling of 23013303303131 in words is "twenty-three trillion, thirteen billion, three hundred three million, three hundred three thousand, one hundred thirty-one".

Divisors: 1 1187 2591 3075517 7482743 8882015941 19387787113 23013303303131