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113121111021131 = 1731321259370611
BaseRepresentation
bin11001101110001000001111…
…101000111001011001001011
3112211112021100201120101112102
4121232020033220321121023
5104311334013410134011
61040331042044504015
732553505404464003
oct3156101750713113
9484467321511472
10113121111021131
1133053437123674
121082b76724b00b
134b17376227975
141dd113b94b003
15d1281671d73b
hex66e20fa3964b

113121111021131 has 8 divisors (see below), whose sum is σ = 120157962699024. Its totient is φ = 106126778085120.

The previous prime is 113121111021101. The next prime is 113121111021143. The reversal of 113121111021131 is 131120111121311.

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 113121111021131 - 230 = 113120037279307 is a prime.

It is a super-2 number, since 2×1131211110211312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113121111021101) 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, 10629679985 + ... + 10629690626.

It is an arithmetic number, because the mean of its divisors is an integer number (15019745337378).

Almost surely, 2113121111021131 is an apocalyptic number.

113121111021131 is a deficient number, since it is larger than the sum of its proper divisors (7036851677893).

113121111021131 is a wasteful number, since it uses less digits than its factorization.

113121111021131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21259370941.

The product of its (nonzero) digits is 36, while the sum is 20.

Adding to 113121111021131 its reverse (131120111121311), we get a palindrome (244241222142442).

The spelling of 113121111021131 in words is "one hundred thirteen trillion, one hundred twenty-one billion, one hundred eleven million, twenty-one thousand, one hundred thirty-one".

Divisors: 1 17 313 5321 21259370611 361409300387 6654183001243 113121111021131