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23354113531 = 731107622643
BaseRepresentation
bin10101110000000000…
…110111110111111011
32020021120212220000211
4111300000313313323
5340312123113111
614421223411551
71454510455360
oct256000676773
966246786024
1023354113531
1199a4874181
1246392b3bb7
1322825557b8
1411b794a467
1591a45c521
hex570037dfb

23354113531 has 8 divisors (see below), whose sum is σ = 27551396864. Its totient is φ = 19372075560.

The previous prime is 23354113493. The next prime is 23354113537. The reversal of 23354113531 is 13531145332.

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 23354113531 - 29 = 23354113019 is a prime.

It is a super-3 number, since 3×233541135313 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23354113493 and 23354113502.

It is not an unprimeable number, because it can be changed into a prime (23354113537) 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, 53811105 + ... + 53811538.

It is an arithmetic number, because the mean of its divisors is an integer number (3443924608).

Almost surely, 223354113531 is an apocalyptic number.

23354113531 is a deficient number, since it is larger than the sum of its proper divisors (4197283333).

23354113531 is a wasteful number, since it uses less digits than its factorization.

23354113531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107622681.

The product of its digits is 16200, while the sum is 31.

Adding to 23354113531 its reverse (13531145332), we get a palindrome (36885258863).

The spelling of 23354113531 in words is "twenty-three billion, three hundred fifty-four million, one hundred thirteen thousand, five hundred thirty-one".

Divisors: 1 7 31 217 107622643 753358501 3336301933 23354113531