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121231110302003 = 1319490814211749
BaseRepresentation
bin11011100100001001010001…
…010000111110100100110011
3120220020120200112000020022102
4123210021101100332210303
5111342222303214131003
61105500445255131015
734351441633120142
oct3344112120764463
9526216615006272
10121231110302003
113569a909305699
121171b499673a6b
1352850771265b0
1421d188d263759
15e03775688588
hex6e425143e933

121231110302003 has 8 divisors (see below), whose sum is σ = 137427979290000. Its totient is φ = 106015869737568.

The previous prime is 121231110301981. The next prime is 121231110302011. The reversal of 121231110302003 is 300203011132121.

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 121231110302003 - 28 = 121231110301747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121231110302503) 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, 245407105628 + ... + 245407106121.

It is an arithmetic number, because the mean of its divisors is an integer number (17178497411250).

Almost surely, 2121231110302003 is an apocalyptic number.

121231110302003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121231110302003 is a deficient number, since it is larger than the sum of its proper divisors (16196868987997).

121231110302003 is a wasteful number, since it uses less digits than its factorization.

121231110302003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490814211781.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 121231110302003 its reverse (300203011132121), we get a palindrome (421434121434124).

The spelling of 121231110302003 in words is "one hundred twenty-one trillion, two hundred thirty-one billion, one hundred ten million, three hundred two thousand, three".

Divisors: 1 13 19 247 490814211749 6380584752737 9325470023231 121231110302003