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3121342423403 = 4097631644067
BaseRepresentation
bin101101011010111110100…
…000011010000101101011
3102001101201201110001122212
4231122332200122011223
5402120002130022103
610345531440435335
7441336526560251
oct55327640320553
912041651401585
103121342423403
11aa3832474426
12424b2b318b4b
13198458b86b39
14ab1066445d1
15562d74b97d8
hex2d6be81a16b

3121342423403 has 4 divisors (see below), whose sum is σ = 3128974067880. Its totient is φ = 3113710778928.

The previous prime is 3121342423393. The next prime is 3121342423429. The reversal of 3121342423403 is 3043242431213.

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 3121342423403 - 24 = 3121342423387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3121342423403.

It is not an unprimeable number, because it can be changed into a prime (3121342423453) 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, 3815821625 + ... + 3815822442.

It is an arithmetic number, because the mean of its divisors is an integer number (782243516970).

Almost surely, 23121342423403 is an apocalyptic number.

3121342423403 is a deficient number, since it is larger than the sum of its proper divisors (7631644477).

3121342423403 is an equidigital number, since it uses as much as digits as its factorization.

3121342423403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7631644476.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 3121342423403 its reverse (3043242431213), we get a palindrome (6164584854616).

The spelling of 3121342423403 in words is "three trillion, one hundred twenty-one billion, three hundred forty-two million, four hundred twenty-three thousand, four hundred three".

Divisors: 1 409 7631644067 3121342423403