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23013313223131 = 7111737475157707
BaseRepresentation
bin1010011101110001101000…
…10111000001100111011011
310000111001101100220120221001
411032320310113001213123
511004022231141120011
6120540100430125431
74563441232555420
oct516706427014733
9100431340816831
1023013313223131
1173729893a4360
1226b8174050877
13cac1b906305a
14597bc9335d47
1529d96829d7c1
hex14ee345c19db

23013313223131 has 32 divisors (see below), whose sum is σ = 31200755738112. Its totient is φ = 16421450319360.

The previous prime is 23013313223083. The next prime is 23013313223149. The reversal of 23013313223131 is 13132231331032.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23013313223131 - 215 = 23013313190363 is a prime.

It is a super-2 number, since 2×230133132231312 (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 23013313223131.

It is not an unprimeable number, because it can be changed into a prime (23013313229131) 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, 237530421 + ... + 237627286.

It is an arithmetic number, because the mean of its divisors is an integer number (975023616816).

Almost surely, 223013313223131 is an apocalyptic number.

23013313223131 is a deficient number, since it is larger than the sum of its proper divisors (8187442514981).

23013313223131 is a wasteful number, since it uses less digits than its factorization.

23013313223131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475157779.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 23013313223131 its reverse (13132231331032), we get a palindrome (36145544554163).

The spelling of 23013313223131 in words is "twenty-three trillion, thirteen billion, three hundred thirteen million, two hundred twenty-three thousand, one hundred thirty-one".

Divisors: 1 7 11 17 37 77 119 187 259 407 629 1309 2849 4403 6919 48433 475157707 3326103949 5226734777 8077681019 17580835159 36587143439 56543767133 88854491209 123065846113 193389186749 298874197703 621981438463 1353724307243 2092119383921 3287616174733 23013313223131