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102101212100131 = 313293587487101
BaseRepresentation
bin10111001101110001001010…
…011110100111011000100011
3111101111210002000120210021221
4113031301022132213120203
5101340311240244201011
61001052352130155511
730335366134251406
oct2715611236473043
9441453060523257
10102101212100131
112a594976503902
12b54ba95422b97
1344c814535995a
141b2da216c1d3d
15bc0d48112971
hex5cdc4a7a7623

102101212100131 has 4 divisors (see below), whose sum is σ = 105394799587264. Its totient is φ = 98807624613000.

The previous prime is 102101212100089. The next prime is 102101212100177. The reversal of 102101212100131 is 131001212101201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102101212100131 - 217 = 102101211969059 is a prime.

It is a super-2 number, since 2×1021012121001312 (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 (102101212100231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1646793743520 + ... + 1646793743581.

It is an arithmetic number, because the mean of its divisors is an integer number (26348699896816).

Almost surely, 2102101212100131 is an apocalyptic number.

102101212100131 is a deficient number, since it is larger than the sum of its proper divisors (3293587487133).

102101212100131 is an equidigital number, since it uses as much as digits as its factorization.

102101212100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3293587487132.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 102101212100131 its reverse (131001212101201), we get a palindrome (233102424201332).

The spelling of 102101212100131 in words is "one hundred two trillion, one hundred one billion, two hundred twelve million, one hundred thousand, one hundred thirty-one".

Divisors: 1 31 3293587487101 102101212100131