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102312220231131 = 393553364542809
BaseRepresentation
bin10111010000110101101011…
…100010110000010111011011
3111102020221201112121110122220
4113100311223202300113123
5101402240411334344011
61001333330214515123
730356546123624661
oct2720655342602733
9442227645543586
10102312220231131
112a666407056829
12b584963665aa3
13451200218c3c1
141b39d1b78cc31
15bc6597bd0506
hex5d0d6b8b05db

102312220231131 has 8 divisors (see below), whose sum is σ = 136417752186960. Its totient is φ = 68207417548032.

The previous prime is 102312220231121. The next prime is 102312220231157. The reversal of 102312220231131 is 131132022213201.

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

It is not a de Polignac number, because 102312220231131 - 217 = 102312220100059 is a prime.

It is a super-2 number, since 2×1023122202311312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102312220231121) 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, 181990746 + ... + 182552063.

It is an arithmetic number, because the mean of its divisors is an integer number (17052219023370).

Almost surely, 2102312220231131 is an apocalyptic number.

102312220231131 is a deficient number, since it is larger than the sum of its proper divisors (34105531955829).

102312220231131 is an equidigital number, since it uses as much as digits as its factorization.

102312220231131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364636365.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 102312220231131 its reverse (131132022213201), we get a palindrome (233444242444332).

The spelling of 102312220231131 in words is "one hundred two trillion, three hundred twelve billion, two hundred twenty million, two hundred thirty-one thousand, one hundred thirty-one".

Divisors: 1 3 93553 280659 364542809 1093628427 34104073410377 102312220231131