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3031003331128 = 231919940811389
BaseRepresentation
bin101100000110110101111…
…000000111101000111000
3101201202112211111200101101
4230012311320013220320
5344124443323044003
610240231304301144
7431661042136423
oct54066570075070
911652484450341
103031003331128
11a694943a9293
1240b518a717b4
1318ca8ca2a456
14a69b66b89ba
1553c9b4ab11d
hex2c1b5e07a38

3031003331128 has 16 divisors (see below), whose sum is σ = 5982243417000. Its totient is φ = 1435738419936.

The previous prime is 3031003331099. The next prime is 3031003331129. The reversal of 3031003331128 is 8211333001303.

It is a junction number, because it is equal to n+sod(n) for n = 3031003331096 and 3031003331105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3031003331129) 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, 9970405543 + ... + 9970405846.

Almost surely, 23031003331128 is an apocalyptic number.

3031003331128 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3031003331128 is a deficient number, since it is larger than the sum of its proper divisors (2951240085872).

3031003331128 is a wasteful number, since it uses less digits than its factorization.

3031003331128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19940811414 (or 19940811410 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 3031003331128 in words is "three trillion, thirty-one billion, three million, three hundred thirty-one thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 19 38 76 152 19940811389 39881622778 79763245556 159526491112 378875416391 757750832782 1515501665564 3031003331128