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31230024021203 = 74461432003029
BaseRepresentation
bin1110001100111010011100…
…11111001111010011010011
311002120120011001220011201212
413012131032133033103103
513043133042122134303
6150230512554450335
76402203052145610
oct706351637172323
9132516131804655
1031230024021203
119a50640438707
123604707a339ab
131456c9507c877
1479d7811b3507
15392570785ad8
hex1c674e7cf4d3

31230024021203 has 4 divisors (see below), whose sum is σ = 35691456024240. Its totient is φ = 26768592018168.

The previous prime is 31230024021187. The next prime is 31230024021331. The reversal of 31230024021203 is 30212042003213.

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

It is not a de Polignac number, because 31230024021203 - 24 = 31230024021187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31230024021803) 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, 2230716001508 + ... + 2230716001521.

It is an arithmetic number, because the mean of its divisors is an integer number (8922864006060).

Almost surely, 231230024021203 is an apocalyptic number.

31230024021203 is a deficient number, since it is larger than the sum of its proper divisors (4461432003037).

31230024021203 is an equidigital number, since it uses as much as digits as its factorization.

31230024021203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461432003036.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 31230024021203 its reverse (30212042003213), we get a palindrome (61442066024416).

The spelling of 31230024021203 in words is "thirty-one trillion, two hundred thirty billion, twenty-four million, twenty-one thousand, two hundred three".

Divisors: 1 7 4461432003029 31230024021203